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Finding the Fourth Proportional to 337,148.17, 505,720.41 and 137,467.78

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Solution

The fourth proportional to 337,148.17, 505,720.41 and 137,467.78 is: 206,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,148.17 : 505,720.41 = 137,467.78 : x
  2. Step 2: Convert to fraction form
    337,148.17/505,720.41 = 137,467.78/x
  3. Step 3: Cross multiply
    337,148.17x = 505,720.41 × 137,467.78
  4. Step 4: Simplify right side
    337,148.17x = 69,520,262,063.39
  5. Step 5: Solve for x
    x = 69,520,262,063.39/337,148.17
  6. Step 6: Final answer
    x = 206,200.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.