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Finding the Fourth Proportional to 580,891.14, 801,590.31 and 326,236.86

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Solution

The fourth proportional to 580,891.14, 801,590.31 and 326,236.86 is: 450,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,891.14 : 801,590.31 = 326,236.86 : x
  2. Step 2: Convert to fraction form
    580,891.14/801,590.31 = 326,236.86/x
  3. Step 3: Cross multiply
    580,891.14x = 801,590.31 × 326,236.86
  4. Step 4: Simplify right side
    580,891.14x = 261,508,305,740.83
  5. Step 5: Solve for x
    x = 261,508,305,740.83/580,891.14
  6. Step 6: Final answer
    x = 450,184.70

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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.