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Finding the Fourth Proportional to 580,662.56, 799,655.28 and 522,809.12

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Solution

The fourth proportional to 580,662.56, 799,655.28 and 522,809.12 is: 719,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,662.56 : 799,655.28 = 522,809.12 : x
  2. Step 2: Convert to fraction form
    580,662.56/799,655.28 = 522,809.12/x
  3. Step 3: Cross multiply
    580,662.56x = 799,655.28 × 522,809.12
  4. Step 4: Simplify right side
    580,662.56x = 418,067,073,240.15
  5. Step 5: Solve for x
    x = 418,067,073,240.15/580,662.56
  6. Step 6: Final answer
    x = 719,982.83

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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.