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Finding the Fourth Proportional to 240,334.33, 360,475.55 and 80,392.13

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Solution

The fourth proportional to 240,334.33, 360,475.55 and 80,392.13 is: 120,579.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,334.33 : 360,475.55 = 80,392.13 : x
  2. Step 2: Convert to fraction form
    240,334.33/360,475.55 = 80,392.13/x
  3. Step 3: Cross multiply
    240,334.33x = 360,475.55 × 80,392.13
  4. Step 4: Simplify right side
    240,334.33x = 28,979,396,549.23
  5. Step 5: Solve for x
    x = 28,979,396,549.23/240,334.33
  6. Step 6: Final answer
    x = 120,579.51

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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.