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Finding the Fourth Proportional to 373,611.70, 515,428.14 and 244,581.76

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Solution

The fourth proportional to 373,611.70, 515,428.14 and 244,581.76 is: 337,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,611.70 : 515,428.14 = 244,581.76 : x
  2. Step 2: Convert to fraction form
    373,611.70/515,428.14 = 244,581.76/x
  3. Step 3: Cross multiply
    373,611.70x = 515,428.14 × 244,581.76
  4. Step 4: Simplify right side
    373,611.70x = 126,064,321,634.73
  5. Step 5: Solve for x
    x = 126,064,321,634.73/373,611.70
  6. Step 6: Final answer
    x = 337,420.70

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1.5x scale

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.