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Finding the Fourth Proportional to 373,877.93, 515,932.03 and 204,079.25

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Solution

The fourth proportional to 373,877.93, 515,932.03 and 204,079.25 is: 281,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,877.93 : 515,932.03 = 204,079.25 : x
  2. Step 2: Convert to fraction form
    373,877.93/515,932.03 = 204,079.25/x
  3. Step 3: Cross multiply
    373,877.93x = 515,932.03 × 204,079.25
  4. Step 4: Simplify right side
    373,877.93x = 105,291,023,278.31
  5. Step 5: Solve for x
    x = 105,291,023,278.31/373,877.93
  6. Step 6: Final answer
    x = 281,618.72

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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.