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Finding the Fourth Proportional to 636,292.38, 954,416.70 and 162,981.84

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Solution

The fourth proportional to 636,292.38, 954,416.70 and 162,981.84 is: 244,467.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,292.38 : 954,416.70 = 162,981.84 : x
  2. Step 2: Convert to fraction form
    636,292.38/954,416.70 = 162,981.84/x
  3. Step 3: Cross multiply
    636,292.38x = 954,416.70 × 162,981.84
  4. Step 4: Simplify right side
    636,292.38x = 155,552,589,892.73
  5. Step 5: Solve for x
    x = 155,552,589,892.73/636,292.38
  6. Step 6: Final answer
    x = 244,467.16

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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.