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Finding the Fourth Proportional to 464.88, 697.26 and 118.18

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Solution

The fourth proportional to 464.88, 697.26 and 118.18 is: 177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.88 : 697.26 = 118.18 : x
  2. Step 2: Convert to fraction form
    464.88/697.26 = 118.18/x
  3. Step 3: Cross multiply
    464.88x = 697.26 × 118.18
  4. Step 4: Simplify right side
    464.88x = 82,401.60
  5. Step 5: Solve for x
    x = 82,401.60/464.88
  6. Step 6: Final answer
    x = 177.25

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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.