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Finding the Fourth Proportional to 373,731.60, 560,264.10 and 137,019.12

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Solution

The fourth proportional to 373,731.60, 560,264.10 and 137,019.12 is: 205,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,731.60 : 560,264.10 = 137,019.12 : x
  2. Step 2: Convert to fraction form
    373,731.60/560,264.10 = 137,019.12/x
  3. Step 3: Cross multiply
    373,731.60x = 560,264.10 × 137,019.12
  4. Step 4: Simplify right side
    373,731.60x = 76,766,893,949.59
  5. Step 5: Solve for x
    x = 76,766,893,949.59/373,731.60
  6. Step 6: Final answer
    x = 205,406.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.