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Finding the Fourth Proportional to 337,346.60, 505,519.50 and 137,422.76

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Solution

The fourth proportional to 337,346.60, 505,519.50 and 137,422.76 is: 205,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,346.60 : 505,519.50 = 137,422.76 : x
  2. Step 2: Convert to fraction form
    337,346.60/505,519.50 = 137,422.76/x
  3. Step 3: Cross multiply
    337,346.60x = 505,519.50 × 137,422.76
  4. Step 4: Simplify right side
    337,346.60x = 69,469,884,923.82
  5. Step 5: Solve for x
    x = 69,469,884,923.82/337,346.60
  6. Step 6: Final answer
    x = 205,930.30

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1.5x scale

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.