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Finding the Fourth Proportional to 293,993.80, 440,115.90 and 175,604.20

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Solution

The fourth proportional to 293,993.80, 440,115.90 and 175,604.20 is: 262,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,993.80 : 440,115.90 = 175,604.20 : x
  2. Step 2: Convert to fraction form
    293,993.80/440,115.90 = 175,604.20/x
  3. Step 3: Cross multiply
    293,993.80x = 440,115.90 × 175,604.20
  4. Step 4: Simplify right side
    293,993.80x = 77,286,200,526.78
  5. Step 5: Solve for x
    x = 77,286,200,526.78/293,993.80
  6. Step 6: Final answer
    x = 262,883.78

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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.