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Finding the Fourth Proportional to 240,246.40, 331,540.80 and 132,822.40

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Solution

The fourth proportional to 240,246.40, 331,540.80 and 132,822.40 is: 183,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,246.40 : 331,540.80 = 132,822.40 : x
  2. Step 2: Convert to fraction form
    240,246.40/331,540.80 = 132,822.40/x
  3. Step 3: Cross multiply
    240,246.40x = 331,540.80 × 132,822.40
  4. Step 4: Simplify right side
    240,246.40x = 44,036,044,753.92
  5. Step 5: Solve for x
    x = 44,036,044,753.92/240,246.40
  6. Step 6: Final answer
    x = 183,295.34

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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.