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Finding the Fourth Proportional to 550,715.44, 826,218.96 and 171,635.44

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Solution

The fourth proportional to 550,715.44, 826,218.96 and 171,635.44 is: 257,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,715.44 : 826,218.96 = 171,635.44 : x
  2. Step 2: Convert to fraction form
    550,715.44/826,218.96 = 171,635.44/x
  3. Step 3: Cross multiply
    550,715.44x = 826,218.96 × 171,635.44
  4. Step 4: Simplify right side
    550,715.44x = 141,808,454,735.94
  5. Step 5: Solve for x
    x = 141,808,454,735.94/550,715.44
  6. Step 6: Final answer
    x = 257,498.60

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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.