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Finding the Fourth Proportional to 504,099.45, 756,149.18 and 379,683.45

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Solution

The fourth proportional to 504,099.45, 756,149.18 and 379,683.45 is: 569,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,099.45 : 756,149.18 = 379,683.45 : x
  2. Step 2: Convert to fraction form
    504,099.45/756,149.18 = 379,683.45/x
  3. Step 3: Cross multiply
    504,099.45x = 756,149.18 × 379,683.45
  4. Step 4: Simplify right side
    504,099.45x = 287,097,327,478.65
  5. Step 5: Solve for x
    x = 287,097,327,478.65/504,099.45
  6. Step 6: Final answer
    x = 569,525.18

Related Problems

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Half scale
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Double scale
Find fourth proportional to 504,100.45, 756,150.68 and 379,684.45
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.