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Finding the Fourth Proportional to 394,768.60, 592,147.44 and 95,246.68

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Solution

The fourth proportional to 394,768.60, 592,147.44 and 95,246.68 is: 142,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,768.60 : 592,147.44 = 95,246.68 : x
  2. Step 2: Convert to fraction form
    394,768.60/592,147.44 = 95,246.68/x
  3. Step 3: Cross multiply
    394,768.60x = 592,147.44 × 95,246.68
  4. Step 4: Simplify right side
    394,768.60x = 56,400,077,730.50
  5. Step 5: Solve for x
    x = 56,400,077,730.50/394,768.60
  6. Step 6: Final answer
    x = 142,868.70

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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.