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Finding the Fourth Proportional to 337,754.20, 506,770.80 and 148,116.40

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Solution

The fourth proportional to 337,754.20, 506,770.80 and 148,116.40 is: 222,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,754.20 : 506,770.80 = 148,116.40 : x
  2. Step 2: Convert to fraction form
    337,754.20/506,770.80 = 148,116.40/x
  3. Step 3: Cross multiply
    337,754.20x = 506,770.80 × 148,116.40
  4. Step 4: Simplify right side
    337,754.20x = 75,061,066,521.12
  5. Step 5: Solve for x
    x = 75,061,066,521.12/337,754.20
  6. Step 6: Final answer
    x = 222,235.78

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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.