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Finding the Fourth Proportional to 394,144.35, 591,216.53 and 94,624.93

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Solution

The fourth proportional to 394,144.35, 591,216.53 and 94,624.93 is: 141,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,144.35 : 591,216.53 = 94,624.93 : x
  2. Step 2: Convert to fraction form
    394,144.35/591,216.53 = 94,624.93/x
  3. Step 3: Cross multiply
    394,144.35x = 591,216.53 × 94,624.93
  4. Step 4: Simplify right side
    394,144.35x = 55,943,822,766.09
  5. Step 5: Solve for x
    x = 55,943,822,766.09/394,144.35
  6. Step 6: Final answer
    x = 141,937.40

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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.