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Finding the Fourth Proportional to 541,107.60, 811,776.60 and 167,168.40

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Solution

The fourth proportional to 541,107.60, 811,776.60 and 167,168.40 is: 250,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,107.60 : 811,776.60 = 167,168.40 : x
  2. Step 2: Convert to fraction form
    541,107.60/811,776.60 = 167,168.40/x
  3. Step 3: Cross multiply
    541,107.60x = 811,776.60 × 167,168.40
  4. Step 4: Simplify right side
    541,107.60x = 135,703,395,379.44
  5. Step 5: Solve for x
    x = 135,703,395,379.44/541,107.60
  6. Step 6: Final answer
    x = 250,788.19

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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.