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Finding the Fourth Proportional to 264,766.80, 397,150.20 and 174,565.20

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Solution

The fourth proportional to 264,766.80, 397,150.20 and 174,565.20 is: 261,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,766.80 : 397,150.20 = 174,565.20 : x
  2. Step 2: Convert to fraction form
    264,766.80/397,150.20 = 174,565.20/x
  3. Step 3: Cross multiply
    264,766.80x = 397,150.20 × 174,565.20
  4. Step 4: Simplify right side
    264,766.80x = 69,328,604,093.04
  5. Step 5: Solve for x
    x = 69,328,604,093.04/264,766.80
  6. Step 6: Final answer
    x = 261,847.80

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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.