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Finding the Fourth Proportional to 339,765.05, 468,876.06 and 186,805.87

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Solution

The fourth proportional to 339,765.05, 468,876.06 and 186,805.87 is: 257,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,765.05 : 468,876.06 = 186,805.87 : x
  2. Step 2: Convert to fraction form
    339,765.05/468,876.06 = 186,805.87/x
  3. Step 3: Cross multiply
    339,765.05x = 468,876.06 × 186,805.87
  4. Step 4: Simplify right side
    339,765.05x = 87,588,799,138.28
  5. Step 5: Solve for x
    x = 87,588,799,138.28/339,765.05
  6. Step 6: Final answer
    x = 257,792.26

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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.