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Finding the Fourth Proportional to 580,448.40, 800,974.84 and 325,750.38

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Solution

The fourth proportional to 580,448.40, 800,974.84 and 325,750.38 is: 449,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,448.40 : 800,974.84 = 325,750.38 : x
  2. Step 2: Convert to fraction form
    580,448.40/800,974.84 = 325,750.38/x
  3. Step 3: Cross multiply
    580,448.40x = 800,974.84 × 325,750.38
  4. Step 4: Simplify right side
    580,448.40x = 260,917,858,500.44
  5. Step 5: Solve for x
    x = 260,917,858,500.44/580,448.40
  6. Step 6: Final answer
    x = 449,510.86

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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.