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Finding the Fourth Proportional to 580,517.16, 801,110.58 and 318,877.62

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Solution

The fourth proportional to 580,517.16, 801,110.58 and 318,877.62 is: 440,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,517.16 : 801,110.58 = 318,877.62 : x
  2. Step 2: Convert to fraction form
    580,517.16/801,110.58 = 318,877.62/x
  3. Step 3: Cross multiply
    580,517.16x = 801,110.58 × 318,877.62
  4. Step 4: Simplify right side
    580,517.16x = 255,456,232,700.95
  5. Step 5: Solve for x
    x = 255,456,232,700.95/580,517.16
  6. Step 6: Final answer
    x = 440,049.41

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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.