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Finding the Fourth Proportional to 493,965.41, 681,672.96 and 267,610.91

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Solution

The fourth proportional to 493,965.41, 681,672.96 and 267,610.91 is: 369,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,965.41 : 681,672.96 = 267,610.91 : x
  2. Step 2: Convert to fraction form
    493,965.41/681,672.96 = 267,610.91/x
  3. Step 3: Cross multiply
    493,965.41x = 681,672.96 × 267,610.91
  4. Step 4: Simplify right side
    493,965.41x = 182,423,121,147.99
  5. Step 5: Solve for x
    x = 182,423,121,147.99/493,965.41
  6. Step 6: Final answer
    x = 369,303.43

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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.