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Finding the Fourth Proportional to 297,616.80, 446,425.20 and 173,200.80

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Solution

The fourth proportional to 297,616.80, 446,425.20 and 173,200.80 is: 259,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,616.80 : 446,425.20 = 173,200.80 : x
  2. Step 2: Convert to fraction form
    297,616.80/446,425.20 = 173,200.80/x
  3. Step 3: Cross multiply
    297,616.80x = 446,425.20 × 173,200.80
  4. Step 4: Simplify right side
    297,616.80x = 77,321,201,780.16
  5. Step 5: Solve for x
    x = 77,321,201,780.16/297,616.80
  6. Step 6: Final answer
    x = 259,801.20

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1.5x scale

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.