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Finding the Fourth Proportional to 493,981.38, 681,697.62 and 267,626.88

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Solution

The fourth proportional to 493,981.38, 681,697.62 and 267,626.88 is: 369,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,981.38 : 681,697.62 = 267,626.88 : x
  2. Step 2: Convert to fraction form
    493,981.38/681,697.62 = 267,626.88/x
  3. Step 3: Cross multiply
    493,981.38x = 681,697.62 × 267,626.88
  4. Step 4: Simplify right side
    493,981.38x = 182,440,607,144.03
  5. Step 5: Solve for x
    x = 182,440,607,144.03/493,981.38
  6. Step 6: Final answer
    x = 369,326.89

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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.