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Finding the Fourth Proportional to 394,263.96, 591,395.88 and 94,744.54

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Solution

The fourth proportional to 394,263.96, 591,395.88 and 94,744.54 is: 142,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,263.96 : 591,395.88 = 94,744.54 : x
  2. Step 2: Convert to fraction form
    394,263.96/591,395.88 = 94,744.54/x
  3. Step 3: Cross multiply
    394,263.96x = 591,395.88 × 94,744.54
  4. Step 4: Simplify right side
    394,263.96x = 56,031,528,656.28
  5. Step 5: Solve for x
    x = 56,031,528,656.28/394,263.96
  6. Step 6: Final answer
    x = 142,116.79

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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.