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Finding the Fourth Proportional to 275,488.80, 413,233.20 and 195,007.20

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Solution

The fourth proportional to 275,488.80, 413,233.20 and 195,007.20 is: 292,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,488.80 : 413,233.20 = 195,007.20 : x
  2. Step 2: Convert to fraction form
    275,488.80/413,233.20 = 195,007.20/x
  3. Step 3: Cross multiply
    275,488.80x = 413,233.20 × 195,007.20
  4. Step 4: Simplify right side
    275,488.80x = 80,583,449,279.04
  5. Step 5: Solve for x
    x = 80,583,449,279.04/275,488.80
  6. Step 6: Final answer
    x = 292,510.80

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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.