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Finding the Fourth Proportional to 464.91, 697.57 and 176.28

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Solution

The fourth proportional to 464.91, 697.57 and 176.28 is: 264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.91 : 697.57 = 176.28 : x
  2. Step 2: Convert to fraction form
    464.91/697.57 = 176.28/x
  3. Step 3: Cross multiply
    464.91x = 697.57 × 176.28
  4. Step 4: Simplify right side
    464.91x = 122,967.64
  5. Step 5: Solve for x
    x = 122,967.64/464.91
  6. Step 6: Final answer
    x = 264.50

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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.