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Finding the Fourth Proportional to 560,474.78, 773,560.68 and 351,019.73

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Solution

The fourth proportional to 560,474.78, 773,560.68 and 351,019.73 is: 484,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,474.78 : 773,560.68 = 351,019.73 : x
  2. Step 2: Convert to fraction form
    560,474.78/773,560.68 = 351,019.73/x
  3. Step 3: Cross multiply
    560,474.78x = 773,560.68 × 351,019.73
  4. Step 4: Simplify right side
    560,474.78x = 271,535,061,032.22
  5. Step 5: Solve for x
    x = 271,535,061,032.22/560,474.78
  6. Step 6: Final answer
    x = 484,473.29

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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.