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Finding the Fourth Proportional to 324,559.71, 486,834.30 and 124,923.47

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Solution

The fourth proportional to 324,559.71, 486,834.30 and 124,923.47 is: 187,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,559.71 : 486,834.30 = 124,923.47 : x
  2. Step 2: Convert to fraction form
    324,559.71/486,834.30 = 124,923.47/x
  3. Step 3: Cross multiply
    324,559.71x = 486,834.30 × 124,923.47
  4. Step 4: Simplify right side
    324,559.71x = 60,817,027,636.85
  5. Step 5: Solve for x
    x = 60,817,027,636.85/324,559.71
  6. Step 6: Final answer
    x = 187,383.17

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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.