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Finding the Fourth Proportional to 339,175, 468,061.50 and 188,286.04

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Solution

The fourth proportional to 339,175, 468,061.50 and 188,286.04 is: 259,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,175 : 468,061.50 = 188,286.04 : x
  2. Step 2: Convert to fraction form
    339,175/468,061.50 = 188,286.04/x
  3. Step 3: Cross multiply
    339,175x = 468,061.50 × 188,286.04
  4. Step 4: Simplify right side
    339,175x = 88,129,446,311.46
  5. Step 5: Solve for x
    x = 88,129,446,311.46/339,175
  6. Step 6: Final answer
    x = 259,834.74

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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.