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Finding the Fourth Proportional to 394,329.83, 591,494.75 and 94,810.42

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Solution

The fourth proportional to 394,329.83, 591,494.75 and 94,810.42 is: 142,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,329.83 : 591,494.75 = 94,810.42 : x
  2. Step 2: Convert to fraction form
    394,329.83/591,494.75 = 94,810.42/x
  3. Step 3: Cross multiply
    394,329.83x = 591,494.75 × 94,810.42
  4. Step 4: Simplify right side
    394,329.83x = 56,079,865,675.30
  5. Step 5: Solve for x
    x = 56,079,865,675.30/394,329.83
  6. Step 6: Final answer
    x = 142,215.63

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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.