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Finding the Fourth Proportional to 381,336.71, 572,008.41 and 97,027.61

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Solution

The fourth proportional to 381,336.71, 572,008.41 and 97,027.61 is: 145,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,336.71 : 572,008.41 = 97,027.61 : x
  2. Step 2: Convert to fraction form
    381,336.71/572,008.41 = 97,027.61/x
  3. Step 3: Cross multiply
    381,336.71x = 572,008.41 × 97,027.61
  4. Step 4: Simplify right side
    381,336.71x = 55,500,606,062.16
  5. Step 5: Solve for x
    x = 55,500,606,062.16/381,336.71
  6. Step 6: Final answer
    x = 145,542.26

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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.