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Finding the Fourth Proportional to 636,689.08, 953,912.56 and 598,761.64

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Solution

The fourth proportional to 636,689.08, 953,912.56 and 598,761.64 is: 897,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,689.08 : 953,912.56 = 598,761.64 : x
  2. Step 2: Convert to fraction form
    636,689.08/953,912.56 = 598,761.64/x
  3. Step 3: Cross multiply
    636,689.08x = 953,912.56 × 598,761.64
  4. Step 4: Simplify right side
    636,689.08x = 571,166,248,842.20
  5. Step 5: Solve for x
    x = 571,166,248,842.20/636,689.08
  6. Step 6: Final answer
    x = 897,088.18

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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.