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Finding the Fourth Proportional to 504,657.63, 756,986.45 and 189,073.53

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Solution

The fourth proportional to 504,657.63, 756,986.45 and 189,073.53 is: 283,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,657.63 : 756,986.45 = 189,073.53 : x
  2. Step 2: Convert to fraction form
    504,657.63/756,986.45 = 189,073.53/x
  3. Step 3: Cross multiply
    504,657.63x = 756,986.45 × 189,073.53
  4. Step 4: Simplify right side
    504,657.63x = 143,126,099,318.30
  5. Step 5: Solve for x
    x = 143,126,099,318.30/504,657.63
  6. Step 6: Final answer
    x = 283,610.30

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Double scale
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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.