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Finding the Fourth Proportional to 376.95, 565.66 and 160.53

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Solution

The fourth proportional to 376.95, 565.66 and 160.53 is: 240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.95 : 565.66 = 160.53 : x
  2. Step 2: Convert to fraction form
    376.95/565.66 = 160.53/x
  3. Step 3: Cross multiply
    376.95x = 565.66 × 160.53
  4. Step 4: Simplify right side
    376.95x = 90,803.48
  5. Step 5: Solve for x
    x = 90,803.48/376.95
  6. Step 6: Final answer
    x = 240.89

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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.