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Finding the Fourth Proportional to 464.88, 697.32 and 176.34

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Solution

The fourth proportional to 464.88, 697.32 and 176.34 is: 264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.88 : 697.32 = 176.34 : x
  2. Step 2: Convert to fraction form
    464.88/697.32 = 176.34/x
  3. Step 3: Cross multiply
    464.88x = 697.32 × 176.34
  4. Step 4: Simplify right side
    464.88x = 122,965.41
  5. Step 5: Solve for x
    x = 122,965.41/464.88
  6. Step 6: Final answer
    x = 264.51

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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.