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Finding the Fourth Proportional to 322,613.93, 483,919.27 and 82,726.76

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Solution

The fourth proportional to 322,613.93, 483,919.27 and 82,726.76 is: 124,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,613.93 : 483,919.27 = 82,726.76 : x
  2. Step 2: Convert to fraction form
    322,613.93/483,919.27 = 82,726.76/x
  3. Step 3: Cross multiply
    322,613.93x = 483,919.27 × 82,726.76
  4. Step 4: Simplify right side
    322,613.93x = 40,033,073,308.67
  5. Step 5: Solve for x
    x = 40,033,073,308.67/322,613.93
  6. Step 6: Final answer
    x = 124,089.72

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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.