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Finding the Fourth Proportional to 311,139.33, 466,552.56 and 181,349.91

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Solution

The fourth proportional to 311,139.33, 466,552.56 and 181,349.91 is: 271,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,139.33 : 466,552.56 = 181,349.91 : x
  2. Step 2: Convert to fraction form
    311,139.33/466,552.56 = 181,349.91/x
  3. Step 3: Cross multiply
    311,139.33x = 466,552.56 × 181,349.91
  4. Step 4: Simplify right side
    311,139.33x = 84,609,265,738.42
  5. Step 5: Solve for x
    x = 84,609,265,738.42/311,139.33
  6. Step 6: Final answer
    x = 271,933.69

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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.