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Finding the Fourth Proportional to 636,691.08, 953,915.56 and 598,763.64

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Solution

The fourth proportional to 636,691.08, 953,915.56 and 598,763.64 is: 897,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,691.08 : 953,915.56 = 598,763.64 : x
  2. Step 2: Convert to fraction form
    636,691.08/953,915.56 = 598,763.64/x
  3. Step 3: Cross multiply
    636,691.08x = 953,915.56 × 598,763.64
  4. Step 4: Simplify right side
    636,691.08x = 571,169,952,958.24
  5. Step 5: Solve for x
    x = 571,169,952,958.24/636,691.08
  6. Step 6: Final answer
    x = 897,091.18

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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.