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Finding the Fourth Proportional to 324,550.92, 486,881.52 and 99,906.24

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Solution

The fourth proportional to 324,550.92, 486,881.52 and 99,906.24 is: 149,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,550.92 : 486,881.52 = 99,906.24 : x
  2. Step 2: Convert to fraction form
    324,550.92/486,881.52 = 99,906.24/x
  3. Step 3: Cross multiply
    324,550.92x = 486,881.52 × 99,906.24
  4. Step 4: Simplify right side
    324,550.92x = 48,642,501,988.68
  5. Step 5: Solve for x
    x = 48,642,501,988.68/324,550.92
  6. Step 6: Final answer
    x = 149,876.33

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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.