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Finding the Fourth Proportional to 366,960.70, 550,441.05 and 130,327.30

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Solution

The fourth proportional to 366,960.70, 550,441.05 and 130,327.30 is: 195,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,960.70 : 550,441.05 = 130,327.30 : x
  2. Step 2: Convert to fraction form
    366,960.70/550,441.05 = 130,327.30/x
  3. Step 3: Cross multiply
    366,960.70x = 550,441.05 × 130,327.30
  4. Step 4: Simplify right side
    366,960.70x = 71,737,495,855.67
  5. Step 5: Solve for x
    x = 71,737,495,855.67/366,960.70
  6. Step 6: Final answer
    x = 195,490.95

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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.