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Finding the Fourth Proportional to 363,246.96, 501,073.56 and 218,013.96

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Solution

The fourth proportional to 363,246.96, 501,073.56 and 218,013.96 is: 300,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,246.96 : 501,073.56 = 218,013.96 : x
  2. Step 2: Convert to fraction form
    363,246.96/501,073.56 = 218,013.96/x
  3. Step 3: Cross multiply
    363,246.96x = 501,073.56 × 218,013.96
  4. Step 4: Simplify right side
    363,246.96x = 109,241,031,066.90
  5. Step 5: Solve for x
    x = 109,241,031,066.90/363,246.96
  6. Step 6: Final answer
    x = 300,734.88

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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.