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Finding the Fourth Proportional to 453,749.92, 680,625.08 and 187,217.48

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Solution

The fourth proportional to 453,749.92, 680,625.08 and 187,217.48 is: 280,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,749.92 : 680,625.08 = 187,217.48 : x
  2. Step 2: Convert to fraction form
    453,749.92/680,625.08 = 187,217.48/x
  3. Step 3: Cross multiply
    453,749.92x = 680,625.08 × 187,217.48
  4. Step 4: Simplify right side
    453,749.92x = 127,424,912,302.40
  5. Step 5: Solve for x
    x = 127,424,912,302.40/453,749.92
  6. Step 6: Final answer
    x = 280,826.30

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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.