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Finding the Fourth Proportional to 362,773.92, 500,768.82 and 272,390.88

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Solution

The fourth proportional to 362,773.92, 500,768.82 and 272,390.88 is: 376,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,773.92 : 500,768.82 = 272,390.88 : x
  2. Step 2: Convert to fraction form
    362,773.92/500,768.82 = 272,390.88/x
  3. Step 3: Cross multiply
    362,773.92x = 500,768.82 × 272,390.88
  4. Step 4: Simplify right side
    362,773.92x = 136,404,859,556.36
  5. Step 5: Solve for x
    x = 136,404,859,556.36/362,773.92
  6. Step 6: Final answer
    x = 376,005.14

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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.