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Finding the Fourth Proportional to 445,652.40, 667,448.82 and 267,767.28

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Solution

The fourth proportional to 445,652.40, 667,448.82 and 267,767.28 is: 401,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,652.40 : 667,448.82 = 267,767.28 : x
  2. Step 2: Convert to fraction form
    445,652.40/667,448.82 = 267,767.28/x
  3. Step 3: Cross multiply
    445,652.40x = 667,448.82 × 267,767.28
  4. Step 4: Simplify right side
    445,652.40x = 178,720,955,070.61
  5. Step 5: Solve for x
    x = 178,720,955,070.61/445,652.40
  6. Step 6: Final answer
    x = 401,032.18

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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.