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Finding the Fourth Proportional to 453,791.92, 680,607.68 and 169,418.76

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Solution

The fourth proportional to 453,791.92, 680,607.68 and 169,418.76 is: 254,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,791.92 : 680,607.68 = 169,418.76 : x
  2. Step 2: Convert to fraction form
    453,791.92/680,607.68 = 169,418.76/x
  3. Step 3: Cross multiply
    453,791.92x = 680,607.68 × 169,418.76
  4. Step 4: Simplify right side
    453,791.92x = 115,307,709,192.08
  5. Step 5: Solve for x
    x = 115,307,709,192.08/453,791.92
  6. Step 6: Final answer
    x = 254,098.20

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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.