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Finding the Fourth Proportional to 279,295.01, 418,134.66 and 250,451.20

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Solution

The fourth proportional to 279,295.01, 418,134.66 and 250,451.20 is: 374,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,295.01 : 418,134.66 = 250,451.20 : x
  2. Step 2: Convert to fraction form
    279,295.01/418,134.66 = 250,451.20/x
  3. Step 3: Cross multiply
    279,295.01x = 418,134.66 × 250,451.20
  4. Step 4: Simplify right side
    279,295.01x = 104,722,327,358.59
  5. Step 5: Solve for x
    x = 104,722,327,358.59/279,295.01
  6. Step 6: Final answer
    x = 374,952.38

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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.