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Finding the Fourth Proportional to 394,062.90, 591,094.35 and 236,469.30

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Solution

The fourth proportional to 394,062.90, 591,094.35 and 236,469.30 is: 354,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,062.90 : 591,094.35 = 236,469.30 : x
  2. Step 2: Convert to fraction form
    394,062.90/591,094.35 = 236,469.30/x
  3. Step 3: Cross multiply
    394,062.90x = 591,094.35 × 236,469.30
  4. Step 4: Simplify right side
    394,062.90x = 139,775,667,178.46
  5. Step 5: Solve for x
    x = 139,775,667,178.46/394,062.90
  6. Step 6: Final answer
    x = 354,703.95

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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.