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Finding the Fourth Proportional to 232,453.40, 320,939.10 and 178,640.60

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Solution

The fourth proportional to 232,453.40, 320,939.10 and 178,640.60 is: 246,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,453.40 : 320,939.10 = 178,640.60 : x
  2. Step 2: Convert to fraction form
    232,453.40/320,939.10 = 178,640.60/x
  3. Step 3: Cross multiply
    232,453.40x = 320,939.10 × 178,640.60
  4. Step 4: Simplify right side
    232,453.40x = 57,332,753,387.46
  5. Step 5: Solve for x
    x = 57,332,753,387.46/232,453.40
  6. Step 6: Final answer
    x = 246,641.92

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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.