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Finding the Fourth Proportional to 667,511.66, 1,001,156.66 and 240,965.66

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Solution

The fourth proportional to 667,511.66, 1,001,156.66 and 240,965.66 is: 361,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,511.66 : 1,001,156.66 = 240,965.66 : x
  2. Step 2: Convert to fraction form
    667,511.66/1,001,156.66 = 240,965.66/x
  3. Step 3: Cross multiply
    667,511.66x = 1,001,156.66 × 240,965.66
  4. Step 4: Simplify right side
    667,511.66x = 241,244,375,340.30
  5. Step 5: Solve for x
    x = 241,244,375,340.30/667,511.66
  6. Step 6: Final answer
    x = 361,408.48

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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.