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Finding the Fourth Proportional to 363,603.48, 545,487.84 and 110,906.57

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Solution

The fourth proportional to 363,603.48, 545,487.84 and 110,906.57 is: 166,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,603.48 : 545,487.84 = 110,906.57 : x
  2. Step 2: Convert to fraction form
    363,603.48/545,487.84 = 110,906.57/x
  3. Step 3: Cross multiply
    363,603.48x = 545,487.84 × 110,906.57
  4. Step 4: Simplify right side
    363,603.48x = 60,498,182,583.67
  5. Step 5: Solve for x
    x = 60,498,182,583.67/363,603.48
  6. Step 6: Final answer
    x = 166,385.05

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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.