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Finding the Fourth Proportional to 547,845.76, 821,158.02 and 227,818.42

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Solution

The fourth proportional to 547,845.76, 821,158.02 and 227,818.42 is: 341,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,845.76 : 821,158.02 = 227,818.42 : x
  2. Step 2: Convert to fraction form
    547,845.76/821,158.02 = 227,818.42/x
  3. Step 3: Cross multiply
    547,845.76x = 821,158.02 × 227,818.42
  4. Step 4: Simplify right side
    547,845.76x = 187,074,922,686.73
  5. Step 5: Solve for x
    x = 187,074,922,686.73/547,845.76
  6. Step 6: Final answer
    x = 341,473.71

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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.