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Finding the Fourth Proportional to 329,876.15, 494,781.41 and 152,380.59

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Solution

The fourth proportional to 329,876.15, 494,781.41 and 152,380.59 is: 228,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,876.15 : 494,781.41 = 152,380.59 : x
  2. Step 2: Convert to fraction form
    329,876.15/494,781.41 = 152,380.59/x
  3. Step 3: Cross multiply
    329,876.15x = 494,781.41 × 152,380.59
  4. Step 4: Simplify right side
    329,876.15x = 75,395,084,485.50
  5. Step 5: Solve for x
    x = 75,395,084,485.50/329,876.15
  6. Step 6: Final answer
    x = 228,555.73

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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.