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Finding the Fourth Proportional to 372,885.52, 514,581.24 and 203,119.24

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Solution

The fourth proportional to 372,885.52, 514,581.24 and 203,119.24 is: 280,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,885.52 : 514,581.24 = 203,119.24 : x
  2. Step 2: Convert to fraction form
    372,885.52/514,581.24 = 203,119.24/x
  3. Step 3: Cross multiply
    372,885.52x = 514,581.24 × 203,119.24
  4. Step 4: Simplify right side
    372,885.52x = 104,521,350,387.06
  5. Step 5: Solve for x
    x = 104,521,350,387.06/372,885.52
  6. Step 6: Final answer
    x = 280,304.13

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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.