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Finding the Fourth Proportional to 542,568.49, 813,859.62 and 374,043.73

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Solution

The fourth proportional to 542,568.49, 813,859.62 and 374,043.73 is: 561,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,568.49 : 813,859.62 = 374,043.73 : x
  2. Step 2: Convert to fraction form
    542,568.49/813,859.62 = 374,043.73/x
  3. Step 3: Cross multiply
    542,568.49x = 813,859.62 × 374,043.73
  4. Step 4: Simplify right side
    542,568.49x = 304,419,087,961.18
  5. Step 5: Solve for x
    x = 304,419,087,961.18/542,568.49
  6. Step 6: Final answer
    x = 561,070.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.