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Finding the Fourth Proportional to 458,867.88, 633,245.58 and 267,889.32

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Solution

The fourth proportional to 458,867.88, 633,245.58 and 267,889.32 is: 369,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,867.88 : 633,245.58 = 267,889.32 : x
  2. Step 2: Convert to fraction form
    458,867.88/633,245.58 = 267,889.32/x
  3. Step 3: Cross multiply
    458,867.88x = 633,245.58 × 267,889.32
  4. Step 4: Simplify right side
    458,867.88x = 169,639,727,819.21
  5. Step 5: Solve for x
    x = 169,639,727,819.21/458,867.88
  6. Step 6: Final answer
    x = 369,691.88

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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.