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Finding the Fourth Proportional to 242,306.84, 363,499.45 and 82,397.05

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Solution

The fourth proportional to 242,306.84, 363,499.45 and 82,397.05 is: 123,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,306.84 : 363,499.45 = 82,397.05 : x
  2. Step 2: Convert to fraction form
    242,306.84/363,499.45 = 82,397.05/x
  3. Step 3: Cross multiply
    242,306.84x = 363,499.45 × 82,397.05
  4. Step 4: Simplify right side
    242,306.84x = 29,951,281,241.88
  5. Step 5: Solve for x
    x = 29,951,281,241.88/242,306.84
  6. Step 6: Final answer
    x = 123,608.90

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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.