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Finding the Fourth Proportional to 232,516.40, 349,033.80 and 127,540.40

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Solution

The fourth proportional to 232,516.40, 349,033.80 and 127,540.40 is: 191,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,516.40 : 349,033.80 = 127,540.40 : x
  2. Step 2: Convert to fraction form
    232,516.40/349,033.80 = 127,540.40/x
  3. Step 3: Cross multiply
    232,516.40x = 349,033.80 × 127,540.40
  4. Step 4: Simplify right side
    232,516.40x = 44,515,910,465.52
  5. Step 5: Solve for x
    x = 44,515,910,465.52/232,516.40
  6. Step 6: Final answer
    x = 191,452.78

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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.