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Finding the Fourth Proportional to 267,258.88, 400,913.77 and 75,132.82

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Solution

The fourth proportional to 267,258.88, 400,913.77 and 75,132.82 is: 112,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,258.88 : 400,913.77 = 75,132.82 : x
  2. Step 2: Convert to fraction form
    267,258.88/400,913.77 = 75,132.82/x
  3. Step 3: Cross multiply
    267,258.88x = 400,913.77 × 75,132.82
  4. Step 4: Simplify right side
    267,258.88x = 30,121,782,116.93
  5. Step 5: Solve for x
    x = 30,121,782,116.93/267,258.88
  6. Step 6: Final answer
    x = 112,706.38

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1.5x scale

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.