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Finding the Fourth Proportional to 284,253.68, 426,477.72 and 126,592.04

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Solution

The fourth proportional to 284,253.68, 426,477.72 and 126,592.04 is: 189,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,253.68 : 426,477.72 = 126,592.04 : x
  2. Step 2: Convert to fraction form
    284,253.68/426,477.72 = 126,592.04/x
  3. Step 3: Cross multiply
    284,253.68x = 426,477.72 × 126,592.04
  4. Step 4: Simplify right side
    284,253.68x = 53,988,684,589.35
  5. Step 5: Solve for x
    x = 53,988,684,589.35/284,253.68
  6. Step 6: Final answer
    x = 189,931.35

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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.