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Finding the Fourth Proportional to 493,372.97, 680,854.76 and 267,018.47

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Solution

The fourth proportional to 493,372.97, 680,854.76 and 267,018.47 is: 368,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,372.97 : 680,854.76 = 267,018.47 : x
  2. Step 2: Convert to fraction form
    493,372.97/680,854.76 = 267,018.47/x
  3. Step 3: Cross multiply
    493,372.97x = 680,854.76 × 267,018.47
  4. Step 4: Simplify right side
    493,372.97x = 181,800,800,454.36
  5. Step 5: Solve for x
    x = 181,800,800,454.36/493,372.97
  6. Step 6: Final answer
    x = 368,485.53

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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.