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Finding the Fourth Proportional to 376.64, 565.01 and 160.15

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Solution

The fourth proportional to 376.64, 565.01 and 160.15 is: 240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.64 : 565.01 = 160.15 : x
  2. Step 2: Convert to fraction form
    376.64/565.01 = 160.15/x
  3. Step 3: Cross multiply
    376.64x = 565.01 × 160.15
  4. Step 4: Simplify right side
    376.64x = 90,482.73
  5. Step 5: Solve for x
    x = 90,482.73/376.64
  6. Step 6: Final answer
    x = 240.24

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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.