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Finding the Fourth Proportional to 493,687.04, 681,291.36 and 267,332.56

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Solution

The fourth proportional to 493,687.04, 681,291.36 and 267,332.56 is: 368,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,687.04 : 681,291.36 = 267,332.56 : x
  2. Step 2: Convert to fraction form
    493,687.04/681,291.36 = 267,332.56/x
  3. Step 3: Cross multiply
    493,687.04x = 681,291.36 × 267,332.56
  4. Step 4: Simplify right side
    493,687.04x = 182,131,363,374.68
  5. Step 5: Solve for x
    x = 182,131,363,374.68/493,687.04
  6. Step 6: Final answer
    x = 368,920.69

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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.