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Finding the Fourth Proportional to 667,578.11, 999,706.37 and 466,959.11

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Solution

The fourth proportional to 667,578.11, 999,706.37 and 466,959.11 is: 699,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,578.11 : 999,706.37 = 466,959.11 : x
  2. Step 2: Convert to fraction form
    667,578.11/999,706.37 = 466,959.11/x
  3. Step 3: Cross multiply
    667,578.11x = 999,706.37 × 466,959.11
  4. Step 4: Simplify right side
    667,578.11x = 466,821,989,463.20
  5. Step 5: Solve for x
    x = 466,821,989,463.20/667,578.11
  6. Step 6: Final answer
    x = 699,276.96

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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.