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Finding the Fourth Proportional to 493,951.50, 681,660.36 and 267,597

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Solution

The fourth proportional to 493,951.50, 681,660.36 and 267,597 is: 369,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,951.50 : 681,660.36 = 267,597 : x
  2. Step 2: Convert to fraction form
    493,951.50/681,660.36 = 267,597/x
  3. Step 3: Cross multiply
    493,951.50x = 681,660.36 × 267,597
  4. Step 4: Simplify right side
    493,951.50x = 182,410,267,354.92
  5. Step 5: Solve for x
    x = 182,410,267,354.92/493,951.50
  6. Step 6: Final answer
    x = 369,287.81

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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.