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Finding the Fourth Proportional to 376.74, 565.14 and 160.35

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Solution

The fourth proportional to 376.74, 565.14 and 160.35 is: 240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.74 : 565.14 = 160.35 : x
  2. Step 2: Convert to fraction form
    376.74/565.14 = 160.35/x
  3. Step 3: Cross multiply
    376.74x = 565.14 × 160.35
  4. Step 4: Simplify right side
    376.74x = 90,620.20
  5. Step 5: Solve for x
    x = 90,620.20/376.74
  6. Step 6: Final answer
    x = 240.54

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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.