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Finding the Fourth Proportional to 493,656.72, 681,245.28 and 267,302.88

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Solution

The fourth proportional to 493,656.72, 681,245.28 and 267,302.88 is: 368,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,656.72 : 681,245.28 = 267,302.88 : x
  2. Step 2: Convert to fraction form
    493,656.72/681,245.28 = 267,302.88/x
  3. Step 3: Cross multiply
    493,656.72x = 681,245.28 × 267,302.88
  4. Step 4: Simplify right side
    493,656.72x = 182,098,825,330.41
  5. Step 5: Solve for x
    x = 182,098,825,330.41/493,656.72
  6. Step 6: Final answer
    x = 368,877.44

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1.5x scale

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.