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Finding the Fourth Proportional to 339,698.67, 468,774.50 and 186,737.16

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Solution

The fourth proportional to 339,698.67, 468,774.50 and 186,737.16 is: 257,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,698.67 : 468,774.50 = 186,737.16 : x
  2. Step 2: Convert to fraction form
    339,698.67/468,774.50 = 186,737.16/x
  3. Step 3: Cross multiply
    339,698.67x = 468,774.50 × 186,737.16
  4. Step 4: Simplify right side
    339,698.67x = 87,537,617,876.73
  5. Step 5: Solve for x
    x = 87,537,617,876.73/339,698.67
  6. Step 6: Final answer
    x = 257,691.97

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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.