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Finding the Fourth Proportional to 636,159.30, 954,238.35 and 162,843.90

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Solution

The fourth proportional to 636,159.30, 954,238.35 and 162,843.90 is: 244,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,159.30 : 954,238.35 = 162,843.90 : x
  2. Step 2: Convert to fraction form
    636,159.30/954,238.35 = 162,843.90/x
  3. Step 3: Cross multiply
    636,159.30x = 954,238.35 × 162,843.90
  4. Step 4: Simplify right side
    636,159.30x = 155,391,894,443.57
  5. Step 5: Solve for x
    x = 155,391,894,443.57/636,159.30
  6. Step 6: Final answer
    x = 244,265.70

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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.