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Finding the Fourth Proportional to 363,383.43, 502,037.92 and 277,642.50

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Solution

The fourth proportional to 363,383.43, 502,037.92 and 277,642.50 is: 383,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,383.43 : 502,037.92 = 277,642.50 : x
  2. Step 2: Convert to fraction form
    363,383.43/502,037.92 = 277,642.50/x
  3. Step 3: Cross multiply
    363,383.43x = 502,037.92 × 277,642.50
  4. Step 4: Simplify right side
    363,383.43x = 139,387,061,815.39
  5. Step 5: Solve for x
    x = 139,387,061,815.39/363,383.43
  6. Step 6: Final answer
    x = 383,581.23

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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.