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Finding the Fourth Proportional to 337,540, 465,819.78 and 186,637

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Solution

The fourth proportional to 337,540, 465,819.78 and 186,637 is: 257,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,540 : 465,819.78 = 186,637 : x
  2. Step 2: Convert to fraction form
    337,540/465,819.78 = 186,637/x
  3. Step 3: Cross multiply
    337,540x = 465,819.78 × 186,637
  4. Step 4: Simplify right side
    337,540x = 86,939,206,279.86
  5. Step 5: Solve for x
    x = 86,939,206,279.86/337,540
  6. Step 6: Final answer
    x = 257,567.12

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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.