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Finding the Fourth Proportional to 373,978.68, 560,635.02 and 137,266.44

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Solution

The fourth proportional to 373,978.68, 560,635.02 and 137,266.44 is: 205,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,978.68 : 560,635.02 = 137,266.44 : x
  2. Step 2: Convert to fraction form
    373,978.68/560,635.02 = 137,266.44/x
  3. Step 3: Cross multiply
    373,978.68x = 560,635.02 × 137,266.44
  4. Step 4: Simplify right side
    373,978.68x = 76,956,373,334.73
  5. Step 5: Solve for x
    x = 76,956,373,334.73/373,978.68
  6. Step 6: Final answer
    x = 205,777.43

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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.