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Finding the Fourth Proportional to 440,744.24, 608,224.20 and 239,540.24

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Solution

The fourth proportional to 440,744.24, 608,224.20 and 239,540.24 is: 330,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,744.24 : 608,224.20 = 239,540.24 : x
  2. Step 2: Convert to fraction form
    440,744.24/608,224.20 = 239,540.24/x
  3. Step 3: Cross multiply
    440,744.24x = 608,224.20 × 239,540.24
  4. Step 4: Simplify right side
    440,744.24x = 145,694,170,841.81
  5. Step 5: Solve for x
    x = 145,694,170,841.81/440,744.24
  6. Step 6: Final answer
    x = 330,563.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.