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Finding the Fourth Proportional to 244,920.74, 337,967.51 and 137,469.78

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Solution

The fourth proportional to 244,920.74, 337,967.51 and 137,469.78 is: 189,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,920.74 : 337,967.51 = 137,469.78 : x
  2. Step 2: Convert to fraction form
    244,920.74/337,967.51 = 137,469.78/x
  3. Step 3: Cross multiply
    244,920.74x = 337,967.51 × 137,469.78
  4. Step 4: Simplify right side
    244,920.74x = 46,460,318,559.50
  5. Step 5: Solve for x
    x = 46,460,318,559.50/244,920.74
  6. Step 6: Final answer
    x = 189,695.33

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1.5x scale

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.