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Finding the Fourth Proportional to 580,148.46, 800,617.77 and 338,447.30

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Solution

The fourth proportional to 580,148.46, 800,617.77 and 338,447.30 is: 467,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,148.46 : 800,617.77 = 338,447.30 : x
  2. Step 2: Convert to fraction form
    580,148.46/800,617.77 = 338,447.30/x
  3. Step 3: Cross multiply
    580,148.46x = 800,617.77 × 338,447.30
  4. Step 4: Simplify right side
    580,148.46x = 270,966,918,585.43
  5. Step 5: Solve for x
    x = 270,966,918,585.43/580,148.46
  6. Step 6: Final answer
    x = 467,064.79

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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.