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Finding the Fourth Proportional to 376.97, 565.52 and 117.00

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Solution

The fourth proportional to 376.97, 565.52 and 117.00 is: 175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.97 : 565.52 = 117.00 : x
  2. Step 2: Convert to fraction form
    376.97/565.52 = 117.00/x
  3. Step 3: Cross multiply
    376.97x = 565.52 × 117.00
  4. Step 4: Simplify right side
    376.97x = 66,163.13
  5. Step 5: Solve for x
    x = 66,163.13/376.97
  6. Step 6: Final answer
    x = 175.51

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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.