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Finding the Fourth Proportional to 339,175.38, 468,038.61 and 188,260.50

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Solution

The fourth proportional to 339,175.38, 468,038.61 and 188,260.50 is: 259,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,175.38 : 468,038.61 = 188,260.50 : x
  2. Step 2: Convert to fraction form
    339,175.38/468,038.61 = 188,260.50/x
  3. Step 3: Cross multiply
    339,175.38x = 468,038.61 × 188,260.50
  4. Step 4: Simplify right side
    339,175.38x = 88,113,182,737.91
  5. Step 5: Solve for x
    x = 88,113,182,737.91/339,175.38
  6. Step 6: Final answer
    x = 259,786.49

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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.