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Finding the Fourth Proportional to 603,943.62, 905,251.13 and 248,763.89

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Solution

The fourth proportional to 603,943.62, 905,251.13 and 248,763.89 is: 372,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,943.62 : 905,251.13 = 248,763.89 : x
  2. Step 2: Convert to fraction form
    603,943.62/905,251.13 = 248,763.89/x
  3. Step 3: Cross multiply
    603,943.62x = 905,251.13 × 248,763.89
  4. Step 4: Simplify right side
    603,943.62x = 225,193,786,755.62
  5. Step 5: Solve for x
    x = 225,193,786,755.62/603,943.62
  6. Step 6: Final answer
    x = 372,872.20

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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.