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Finding the Fourth Proportional to 324,313.66, 486,691.94 and 113,951.62

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Solution

The fourth proportional to 324,313.66, 486,691.94 and 113,951.62 is: 171,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,313.66 : 486,691.94 = 113,951.62 : x
  2. Step 2: Convert to fraction form
    324,313.66/486,691.94 = 113,951.62/x
  3. Step 3: Cross multiply
    324,313.66x = 486,691.94 × 113,951.62
  4. Step 4: Simplify right side
    324,313.66x = 55,459,335,003.94
  5. Step 5: Solve for x
    x = 55,459,335,003.94/324,313.66
  6. Step 6: Final answer
    x = 171,005.24

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1.5x scale

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.