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Finding the Fourth Proportional to 541,387.13, 812,080.69 and 167,410.13

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Solution

The fourth proportional to 541,387.13, 812,080.69 and 167,410.13 is: 251,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,387.13 : 812,080.69 = 167,410.13 : x
  2. Step 2: Convert to fraction form
    541,387.13/812,080.69 = 167,410.13/x
  3. Step 3: Cross multiply
    541,387.13x = 812,080.69 × 167,410.13
  4. Step 4: Simplify right side
    541,387.13x = 135,950,529,404.46
  5. Step 5: Solve for x
    x = 135,950,529,404.46/541,387.13
  6. Step 6: Final answer
    x = 251,115.19

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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.