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Finding the Fourth Proportional to 371,711.38, 557,483.01 and 171,922.14

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Solution

The fourth proportional to 371,711.38, 557,483.01 and 171,922.14 is: 257,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,711.38 : 557,483.01 = 171,922.14 : x
  2. Step 2: Convert to fraction form
    371,711.38/557,483.01 = 171,922.14/x
  3. Step 3: Cross multiply
    371,711.38x = 557,483.01 × 171,922.14
  4. Step 4: Simplify right side
    371,711.38x = 95,843,672,092.84
  5. Step 5: Solve for x
    x = 95,843,672,092.84/371,711.38
  6. Step 6: Final answer
    x = 257,844.33

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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.