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Finding the Fourth Proportional to 453,780.96, 680,676.24 and 187,357.92

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Solution

The fourth proportional to 453,780.96, 680,676.24 and 187,357.92 is: 281,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,780.96 : 680,676.24 = 187,357.92 : x
  2. Step 2: Convert to fraction form
    453,780.96/680,676.24 = 187,357.92/x
  3. Step 3: Cross multiply
    453,780.96x = 680,676.24 × 187,357.92
  4. Step 4: Simplify right side
    453,780.96x = 127,530,084,519.82
  5. Step 5: Solve for x
    x = 127,530,084,519.82/453,780.96
  6. Step 6: Final answer
    x = 281,038.86

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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.