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Finding the Fourth Proportional to 394,647.56, 591,872.84 and 154,810.22

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Solution

The fourth proportional to 394,647.56, 591,872.84 and 154,810.22 is: 232,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,647.56 : 591,872.84 = 154,810.22 : x
  2. Step 2: Convert to fraction form
    394,647.56/591,872.84 = 154,810.22/x
  3. Step 3: Cross multiply
    394,647.56x = 591,872.84 × 154,810.22
  4. Step 4: Simplify right side
    394,647.56x = 91,627,964,572.42
  5. Step 5: Solve for x
    x = 91,627,964,572.42/394,647.56
  6. Step 6: Final answer
    x = 232,176.69

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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.