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Finding the Fourth Proportional to 541,293.40, 811,863.30 and 167,354.20

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Solution

The fourth proportional to 541,293.40, 811,863.30 and 167,354.20 is: 251,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,293.40 : 811,863.30 = 167,354.20 : x
  2. Step 2: Convert to fraction form
    541,293.40/811,863.30 = 167,354.20/x
  3. Step 3: Cross multiply
    541,293.40x = 811,863.30 × 167,354.20
  4. Step 4: Simplify right side
    541,293.40x = 135,868,733,080.86
  5. Step 5: Solve for x
    x = 135,868,733,080.86/541,293.40
  6. Step 6: Final answer
    x = 251,007.56

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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.