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Finding the Fourth Proportional to 338,676.14, 508,318.76 and 181,039.34

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Solution

The fourth proportional to 338,676.14, 508,318.76 and 181,039.34 is: 271,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,676.14 : 508,318.76 = 181,039.34 : x
  2. Step 2: Convert to fraction form
    338,676.14/508,318.76 = 181,039.34/x
  3. Step 3: Cross multiply
    338,676.14x = 508,318.76 × 181,039.34
  4. Step 4: Simplify right side
    338,676.14x = 92,025,690,731.02
  5. Step 5: Solve for x
    x = 92,025,690,731.02/338,676.14
  6. Step 6: Final answer
    x = 271,721.81

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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.