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Finding the Fourth Proportional to 581,142.96, 801,997.92 and 326,489.04

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Solution

The fourth proportional to 581,142.96, 801,997.92 and 326,489.04 is: 450,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,142.96 : 801,997.92 = 326,489.04 : x
  2. Step 2: Convert to fraction form
    581,142.96/801,997.92 = 326,489.04/x
  3. Step 3: Cross multiply
    581,142.96x = 801,997.92 × 326,489.04
  4. Step 4: Simplify right side
    581,142.96x = 261,843,530,982.80
  5. Step 5: Solve for x
    x = 261,843,530,982.80/581,142.96
  6. Step 6: Final answer
    x = 450,566.47

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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.