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Finding the Fourth Proportional to 373,427.92, 515,314.92 and 203,651.92

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Solution

The fourth proportional to 373,427.92, 515,314.92 and 203,651.92 is: 281,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,427.92 : 515,314.92 = 203,651.92 : x
  2. Step 2: Convert to fraction form
    373,427.92/515,314.92 = 203,651.92/x
  3. Step 3: Cross multiply
    373,427.92x = 515,314.92 × 203,651.92
  4. Step 4: Simplify right side
    373,427.92x = 104,944,872,862.65
  5. Step 5: Solve for x
    x = 104,944,872,862.65/373,427.92
  6. Step 6: Final answer
    x = 281,031.14

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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.