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Finding the Fourth Proportional to 666,473.73, 999,752.13 and 267,062.61

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Solution

The fourth proportional to 666,473.73, 999,752.13 and 267,062.61 is: 400,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,473.73 : 999,752.13 = 267,062.61 : x
  2. Step 2: Convert to fraction form
    666,473.73/999,752.13 = 267,062.61/x
  3. Step 3: Cross multiply
    666,473.73x = 999,752.13 × 267,062.61
  4. Step 4: Simplify right side
    666,473.73x = 266,996,413,190.86
  5. Step 5: Solve for x
    x = 266,996,413,190.86/666,473.73
  6. Step 6: Final answer
    x = 400,610.56

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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.