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Finding the Fourth Proportional to 381,707.52, 572,600.32 and 101,224.96

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Solution

The fourth proportional to 381,707.52, 572,600.32 and 101,224.96 is: 151,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,707.52 : 572,600.32 = 101,224.96 : x
  2. Step 2: Convert to fraction form
    381,707.52/572,600.32 = 101,224.96/x
  3. Step 3: Cross multiply
    381,707.52x = 572,600.32 × 101,224.96
  4. Step 4: Simplify right side
    381,707.52x = 57,961,444,487.99
  5. Step 5: Solve for x
    x = 57,961,444,487.99/381,707.52
  6. Step 6: Final answer
    x = 151,847.79

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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.