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Finding the Fourth Proportional to 580,170.36, 800,648.91 and 325,540.38

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Solution

The fourth proportional to 580,170.36, 800,648.91 and 325,540.38 is: 449,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,170.36 : 800,648.91 = 325,540.38 : x
  2. Step 2: Convert to fraction form
    580,170.36/800,648.91 = 325,540.38/x
  3. Step 3: Cross multiply
    580,170.36x = 800,648.91 × 325,540.38
  4. Step 4: Simplify right side
    580,170.36x = 260,643,553,410.42
  5. Step 5: Solve for x
    x = 260,643,553,410.42/580,170.36
  6. Step 6: Final answer
    x = 449,253.48

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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.