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Finding the Fourth Proportional to 541,208.40, 811,812.60 and 167,230.80

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Solution

The fourth proportional to 541,208.40, 811,812.60 and 167,230.80 is: 250,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,208.40 : 811,812.60 = 167,230.80 : x
  2. Step 2: Convert to fraction form
    541,208.40/811,812.60 = 167,230.80/x
  3. Step 3: Cross multiply
    541,208.40x = 811,812.60 × 167,230.80
  4. Step 4: Simplify right side
    541,208.40x = 135,760,070,548.08
  5. Step 5: Solve for x
    x = 135,760,070,548.08/541,208.40
  6. Step 6: Final answer
    x = 250,846.20

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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.