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Finding the Fourth Proportional to 504,148.10, 756,222.15 and 449,035.70

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Solution

The fourth proportional to 504,148.10, 756,222.15 and 449,035.70 is: 673,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,148.10 : 756,222.15 = 449,035.70 : x
  2. Step 2: Convert to fraction form
    504,148.10/756,222.15 = 449,035.70/x
  3. Step 3: Cross multiply
    504,148.10x = 756,222.15 × 449,035.70
  4. Step 4: Simplify right side
    504,148.10x = 339,570,742,480.76
  5. Step 5: Solve for x
    x = 339,570,742,480.76/504,148.10
  6. Step 6: Final answer
    x = 673,553.55

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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.