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Finding the Fourth Proportional to 636,686.81, 953,909.14 and 598,759.35

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Solution

The fourth proportional to 636,686.81, 953,909.14 and 598,759.35 is: 897,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,686.81 : 953,909.14 = 598,759.35 : x
  2. Step 2: Convert to fraction form
    636,686.81/953,909.14 = 598,759.35/x
  3. Step 3: Cross multiply
    636,686.81x = 953,909.14 × 598,759.35
  4. Step 4: Simplify right side
    636,686.81x = 571,162,008,862.12
  5. Step 5: Solve for x
    x = 571,162,008,862.12/636,686.81
  6. Step 6: Final answer
    x = 897,084.72

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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.