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Finding the Fourth Proportional to 636,902.32, 955,366.44 and 216,177.52

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Solution

The fourth proportional to 636,902.32, 955,366.44 and 216,177.52 is: 324,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,902.32 : 955,366.44 = 216,177.52 : x
  2. Step 2: Convert to fraction form
    636,902.32/955,366.44 = 216,177.52/x
  3. Step 3: Cross multiply
    636,902.32x = 955,366.44 × 216,177.52
  4. Step 4: Simplify right side
    636,902.32x = 206,528,747,690.43
  5. Step 5: Solve for x
    x = 206,528,747,690.43/636,902.32
  6. Step 6: Final answer
    x = 324,270.68

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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.