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Finding the Fourth Proportional to 462,526.92, 638,238.42 and 271,600.20

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Solution

The fourth proportional to 462,526.92, 638,238.42 and 271,600.20 is: 374,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,526.92 : 638,238.42 = 271,600.20 : x
  2. Step 2: Convert to fraction form
    462,526.92/638,238.42 = 271,600.20/x
  3. Step 3: Cross multiply
    462,526.92x = 638,238.42 × 271,600.20
  4. Step 4: Simplify right side
    462,526.92x = 173,345,682,519.68
  5. Step 5: Solve for x
    x = 173,345,682,519.68/462,526.92
  6. Step 6: Final answer
    x = 374,779.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.