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Finding the Fourth Proportional to 454,250.96, 681,458.52 and 187,866.80

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Solution

The fourth proportional to 454,250.96, 681,458.52 and 187,866.80 is: 281,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,250.96 : 681,458.52 = 187,866.80 : x
  2. Step 2: Convert to fraction form
    454,250.96/681,458.52 = 187,866.80/x
  3. Step 3: Cross multiply
    454,250.96x = 681,458.52 × 187,866.80
  4. Step 4: Simplify right side
    454,250.96x = 128,023,431,485.14
  5. Step 5: Solve for x
    x = 128,023,431,485.14/454,250.96
  6. Step 6: Final answer
    x = 281,834.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.