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Finding the Fourth Proportional to 546,520.40, 819,780.60 and 396,054.80

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Solution

The fourth proportional to 546,520.40, 819,780.60 and 396,054.80 is: 594,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,520.40 : 819,780.60 = 396,054.80 : x
  2. Step 2: Convert to fraction form
    546,520.40/819,780.60 = 396,054.80/x
  3. Step 3: Cross multiply
    546,520.40x = 819,780.60 × 396,054.80
  4. Step 4: Simplify right side
    546,520.40x = 324,678,041,576.88
  5. Step 5: Solve for x
    x = 324,678,041,576.88/546,520.40
  6. Step 6: Final answer
    x = 594,082.20

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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.