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Finding the Fourth Proportional to 654,822.80, 982,234.20 and 234,112.40

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Solution

The fourth proportional to 654,822.80, 982,234.20 and 234,112.40 is: 351,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,822.80 : 982,234.20 = 234,112.40 : x
  2. Step 2: Convert to fraction form
    654,822.80/982,234.20 = 234,112.40/x
  3. Step 3: Cross multiply
    654,822.80x = 982,234.20 × 234,112.40
  4. Step 4: Simplify right side
    654,822.80x = 229,953,205,924.08
  5. Step 5: Solve for x
    x = 229,953,205,924.08/654,822.80
  6. Step 6: Final answer
    x = 351,168.60

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Double scale
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Similar ratio
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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.