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Finding the Fourth Proportional to 226,327.68, 339,489.28 and 137,605.68

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Solution

The fourth proportional to 226,327.68, 339,489.28 and 137,605.68 is: 206,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,327.68 : 339,489.28 = 137,605.68 : x
  2. Step 2: Convert to fraction form
    226,327.68/339,489.28 = 137,605.68/x
  3. Step 3: Cross multiply
    226,327.68x = 339,489.28 × 137,605.68
  4. Step 4: Simplify right side
    226,327.68x = 46,715,653,227.11
  5. Step 5: Solve for x
    x = 46,715,653,227.11/226,327.68
  6. Step 6: Final answer
    x = 206,407.16

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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.