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Finding the Fourth Proportional to 541,995.20, 811,437.60 and 332,043.20

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Solution

The fourth proportional to 541,995.20, 811,437.60 and 332,043.20 is: 497,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,995.20 : 811,437.60 = 332,043.20 : x
  2. Step 2: Convert to fraction form
    541,995.20/811,437.60 = 332,043.20/x
  3. Step 3: Cross multiply
    541,995.20x = 811,437.60 × 332,043.20
  4. Step 4: Simplify right side
    541,995.20x = 269,432,337,304.32
  5. Step 5: Solve for x
    x = 269,432,337,304.32/541,995.20
  6. Step 6: Final answer
    x = 497,112.04

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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.