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Finding the Fourth Proportional to 329,514, 453,503.52 and 271,690.80

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Solution

The fourth proportional to 329,514, 453,503.52 and 271,690.80 is: 373,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,514 : 453,503.52 = 271,690.80 : x
  2. Step 2: Convert to fraction form
    329,514/453,503.52 = 271,690.80/x
  3. Step 3: Cross multiply
    329,514x = 453,503.52 × 271,690.80
  4. Step 4: Simplify right side
    329,514x = 123,212,734,151.62
  5. Step 5: Solve for x
    x = 123,212,734,151.62/329,514
  6. Step 6: Final answer
    x = 373,922.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.