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Finding the Fourth Proportional to 297,876.80, 446,728.80 and 108,315.20

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Solution

The fourth proportional to 297,876.80, 446,728.80 and 108,315.20 is: 162,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,876.80 : 446,728.80 = 108,315.20 : x
  2. Step 2: Convert to fraction form
    297,876.80/446,728.80 = 108,315.20/x
  3. Step 3: Cross multiply
    297,876.80x = 446,728.80 × 108,315.20
  4. Step 4: Simplify right side
    297,876.80x = 48,387,519,317.76
  5. Step 5: Solve for x
    x = 48,387,519,317.76/297,876.80
  6. Step 6: Final answer
    x = 162,441.38

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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.