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Finding the Fourth Proportional to 374,357.84, 516,612.56 and 204,591.92

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Solution

The fourth proportional to 374,357.84, 516,612.56 and 204,591.92 is: 282,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,357.84 : 516,612.56 = 204,591.92 : x
  2. Step 2: Convert to fraction form
    374,357.84/516,612.56 = 204,591.92/x
  3. Step 3: Cross multiply
    374,357.84x = 516,612.56 × 204,591.92
  4. Step 4: Simplify right side
    374,357.84x = 105,694,755,546.52
  5. Step 5: Solve for x
    x = 105,694,755,546.52/374,357.84
  6. Step 6: Final answer
    x = 282,336.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.