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Finding the Fourth Proportional to 373,125.80, 514,754.01 and 243,839.90

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Solution

The fourth proportional to 373,125.80, 514,754.01 and 243,839.90 is: 336,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,125.80 : 514,754.01 = 243,839.90 : x
  2. Step 2: Convert to fraction form
    373,125.80/514,754.01 = 243,839.90/x
  3. Step 3: Cross multiply
    373,125.80x = 514,754.01 × 243,839.90
  4. Step 4: Simplify right side
    373,125.80x = 125,517,567,609.88
  5. Step 5: Solve for x
    x = 125,517,567,609.88/373,125.80
  6. Step 6: Final answer
    x = 336,394.77

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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.