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Finding the Fourth Proportional to 667,579.11, 999,707.86 and 466,960.11

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Solution

The fourth proportional to 667,579.11, 999,707.86 and 466,960.11 is: 699,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,579.11 : 999,707.86 = 466,960.11 : x
  2. Step 2: Convert to fraction form
    667,579.11/999,707.86 = 466,960.11/x
  3. Step 3: Cross multiply
    667,579.11x = 999,707.86 × 466,960.11
  4. Step 4: Simplify right side
    667,579.11x = 466,823,692,273.47
  5. Step 5: Solve for x
    x = 466,823,692,273.47/667,579.11
  6. Step 6: Final answer
    x = 699,278.46

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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.