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Finding the Fourth Proportional to 372,881.52, 514,575.72 and 203,115.24

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Solution

The fourth proportional to 372,881.52, 514,575.72 and 203,115.24 is: 280,298.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,881.52 : 514,575.72 = 203,115.24 : x
  2. Step 2: Convert to fraction form
    372,881.52/514,575.72 = 203,115.24/x
  3. Step 3: Cross multiply
    372,881.52x = 514,575.72 × 203,115.24
  4. Step 4: Simplify right side
    372,881.52x = 104,518,170,865.97
  5. Step 5: Solve for x
    x = 104,518,170,865.97/372,881.52
  6. Step 6: Final answer
    x = 280,298.61

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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.