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Finding the Fourth Proportional to 297,866.80, 446,843.40 and 98,153.20

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Solution

The fourth proportional to 297,866.80, 446,843.40 and 98,153.20 is: 147,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,866.80 : 446,843.40 = 98,153.20 : x
  2. Step 2: Convert to fraction form
    297,866.80/446,843.40 = 98,153.20/x
  3. Step 3: Cross multiply
    297,866.80x = 446,843.40 × 98,153.20
  4. Step 4: Simplify right side
    297,866.80x = 43,859,109,608.88
  5. Step 5: Solve for x
    x = 43,859,109,608.88/297,866.80
  6. Step 6: Final answer
    x = 147,244.04

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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.