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Finding the Fourth Proportional to 541,404.20, 812,106.30 and 167,427.20

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Solution

The fourth proportional to 541,404.20, 812,106.30 and 167,427.20 is: 251,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,404.20 : 812,106.30 = 167,427.20 : x
  2. Step 2: Convert to fraction form
    541,404.20/812,106.30 = 167,427.20/x
  3. Step 3: Cross multiply
    541,404.20x = 812,106.30 × 167,427.20
  4. Step 4: Simplify right side
    541,404.20x = 135,968,679,850.83
  5. Step 5: Solve for x
    x = 135,968,679,850.83/541,404.20
  6. Step 6: Final answer
    x = 251,140.79

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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.