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Finding the Fourth Proportional to 341,554, 471,338.68 and 188,588.38

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Solution

The fourth proportional to 341,554, 471,338.68 and 188,588.38 is: 260,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,554 : 471,338.68 = 188,588.38 : x
  2. Step 2: Convert to fraction form
    341,554/471,338.68 = 188,588.38/x
  3. Step 3: Cross multiply
    341,554x = 471,338.68 × 188,588.38
  4. Step 4: Simplify right side
    341,554x = 88,888,998,092.54
  5. Step 5: Solve for x
    x = 88,888,998,092.54/341,554
  6. Step 6: Final answer
    x = 260,248.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.