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Finding the Fourth Proportional to 436.56, 655.12 and 244.32

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Solution

The fourth proportional to 436.56, 655.12 and 244.32 is: 366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.56 : 655.12 = 244.32 : x
  2. Step 2: Convert to fraction form
    436.56/655.12 = 244.32/x
  3. Step 3: Cross multiply
    436.56x = 655.12 × 244.32
  4. Step 4: Simplify right side
    436.56x = 160,058.92
  5. Step 5: Solve for x
    x = 160,058.92/436.56
  6. Step 6: Final answer
    x = 366.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.