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Finding the Fourth Proportional to 636,091.40, 953,240.46 and 502,382.60

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Solution

The fourth proportional to 636,091.40, 953,240.46 and 502,382.60 is: 752,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,091.40 : 953,240.46 = 502,382.60 : x
  2. Step 2: Convert to fraction form
    636,091.40/953,240.46 = 502,382.60/x
  3. Step 3: Cross multiply
    636,091.40x = 953,240.46 × 502,382.60
  4. Step 4: Simplify right side
    636,091.40x = 478,891,420,720.00
  5. Step 5: Solve for x
    x = 478,891,420,720.00/636,091.40
  6. Step 6: Final answer
    x = 752,865.74

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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.