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Finding the Fourth Proportional to 322,876.59, 484,319.55 and 112,514.54

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Solution

The fourth proportional to 322,876.59, 484,319.55 and 112,514.54 is: 168,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,876.59 : 484,319.55 = 112,514.54 : x
  2. Step 2: Convert to fraction form
    322,876.59/484,319.55 = 112,514.54/x
  3. Step 3: Cross multiply
    322,876.59x = 484,319.55 × 112,514.54
  4. Step 4: Simplify right side
    322,876.59x = 54,492,988,959.66
  5. Step 5: Solve for x
    x = 54,492,988,959.66/322,876.59
  6. Step 6: Final answer
    x = 168,773.43

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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.