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Finding the Fourth Proportional to 471,018.87, 649,992.12 and 267,088.41

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Solution

The fourth proportional to 471,018.87, 649,992.12 and 267,088.41 is: 368,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,018.87 : 649,992.12 = 267,088.41 : x
  2. Step 2: Convert to fraction form
    471,018.87/649,992.12 = 267,088.41/x
  3. Step 3: Cross multiply
    471,018.87x = 649,992.12 × 267,088.41
  4. Step 4: Simplify right side
    471,018.87x = 173,605,361,843.33
  5. Step 5: Solve for x
    x = 173,605,361,843.33/471,018.87
  6. Step 6: Final answer
    x = 368,574.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.