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Finding the Fourth Proportional to 484,348.96, 726,129.77 and 169,027.30

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Solution

The fourth proportional to 484,348.96, 726,129.77 and 169,027.30 is: 253,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,348.96 : 726,129.77 = 169,027.30 : x
  2. Step 2: Convert to fraction form
    484,348.96/726,129.77 = 169,027.30/x
  3. Step 3: Cross multiply
    484,348.96x = 726,129.77 × 169,027.30
  4. Step 4: Simplify right side
    484,348.96x = 122,735,754,472.72
  5. Step 5: Solve for x
    x = 122,735,754,472.72/484,348.96
  6. Step 6: Final answer
    x = 253,403.57

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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.