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Finding the Fourth Proportional to 284,252.68, 426,476.22 and 126,591.04

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Solution

The fourth proportional to 284,252.68, 426,476.22 and 126,591.04 is: 189,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,252.68 : 426,476.22 = 126,591.04 : x
  2. Step 2: Convert to fraction form
    284,252.68/426,476.22 = 126,591.04/x
  3. Step 3: Cross multiply
    284,252.68x = 426,476.22 × 126,591.04
  4. Step 4: Simplify right side
    284,252.68x = 53,988,068,225.07
  5. Step 5: Solve for x
    x = 53,988,068,225.07/284,252.68
  6. Step 6: Final answer
    x = 189,929.85

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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.