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Finding the Fourth Proportional to 502,679.20, 754,555.96 and 203,355.44

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Solution

The fourth proportional to 502,679.20, 754,555.96 and 203,355.44 is: 305,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,679.20 : 754,555.96 = 203,355.44 : x
  2. Step 2: Convert to fraction form
    502,679.20/754,555.96 = 203,355.44/x
  3. Step 3: Cross multiply
    502,679.20x = 754,555.96 × 203,355.44
  4. Step 4: Simplify right side
    502,679.20x = 153,443,059,250.42
  5. Step 5: Solve for x
    x = 153,443,059,250.42/502,679.20
  6. Step 6: Final answer
    x = 305,250.46

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1.5x scale

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.