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Finding the Fourth Proportional to 267,272.32, 400,915.52 and 89,785.60

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Solution

The fourth proportional to 267,272.32, 400,915.52 and 89,785.60 is: 134,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,272.32 : 400,915.52 = 89,785.60 : x
  2. Step 2: Convert to fraction form
    267,272.32/400,915.52 = 89,785.60/x
  3. Step 3: Cross multiply
    267,272.32x = 400,915.52 × 89,785.60
  4. Step 4: Simplify right side
    267,272.32x = 35,996,440,512.51
  5. Step 5: Solve for x
    x = 35,996,440,512.51/267,272.32
  6. Step 6: Final answer
    x = 134,680.76

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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.