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Finding the Fourth Proportional to 541,327.20, 811,990.80 and 167,349.60

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Solution

The fourth proportional to 541,327.20, 811,990.80 and 167,349.60 is: 251,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,327.20 : 811,990.80 = 167,349.60 : x
  2. Step 2: Convert to fraction form
    541,327.20/811,990.80 = 167,349.60/x
  3. Step 3: Cross multiply
    541,327.20x = 811,990.80 × 167,349.60
  4. Step 4: Simplify right side
    541,327.20x = 135,886,335,583.68
  5. Step 5: Solve for x
    x = 135,886,335,583.68/541,327.20
  6. Step 6: Final answer
    x = 251,024.40

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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.