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Finding the Fourth Proportional to 493,642.83, 681,227.60 and 267,287.79

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Solution

The fourth proportional to 493,642.83, 681,227.60 and 267,287.79 is: 368,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,642.83 : 681,227.60 = 267,287.79 : x
  2. Step 2: Convert to fraction form
    493,642.83/681,227.60 = 267,287.79/x
  3. Step 3: Cross multiply
    493,642.83x = 681,227.60 × 267,287.79
  4. Step 4: Simplify right side
    493,642.83x = 182,083,818,354.57
  5. Step 5: Solve for x
    x = 182,083,818,354.57/493,642.83
  6. Step 6: Final answer
    x = 368,857.42

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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.