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Finding the Fourth Proportional to 477,981.84, 717,123.45 and 225,252.12

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Solution

The fourth proportional to 477,981.84, 717,123.45 and 225,252.12 is: 337,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,981.84 : 717,123.45 = 225,252.12 : x
  2. Step 2: Convert to fraction form
    477,981.84/717,123.45 = 225,252.12/x
  3. Step 3: Cross multiply
    477,981.84x = 717,123.45 × 225,252.12
  4. Step 4: Simplify right side
    477,981.84x = 161,533,577,414.21
  5. Step 5: Solve for x
    x = 161,533,577,414.21/477,981.84
  6. Step 6: Final answer
    x = 337,949.19

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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.