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Finding the Fourth Proportional to 580,170.93, 800,649.69 and 325,540.95

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Solution

The fourth proportional to 580,170.93, 800,649.69 and 325,540.95 is: 449,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,170.93 : 800,649.69 = 325,540.95 : x
  2. Step 2: Convert to fraction form
    580,170.93/800,649.69 = 325,540.95/x
  3. Step 3: Cross multiply
    580,170.93x = 800,649.69 × 325,540.95
  4. Step 4: Simplify right side
    580,170.93x = 260,644,256,476.59
  5. Step 5: Solve for x
    x = 260,644,256,476.59/580,170.93
  6. Step 6: Final answer
    x = 449,254.25

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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.