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Finding the Fourth Proportional to 464.48, 696.18 and 175.64

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Solution

The fourth proportional to 464.48, 696.18 and 175.64 is: 263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.48 : 696.18 = 175.64 : x
  2. Step 2: Convert to fraction form
    464.48/696.18 = 175.64/x
  3. Step 3: Cross multiply
    464.48x = 696.18 × 175.64
  4. Step 4: Simplify right side
    464.48x = 122,277.06
  5. Step 5: Solve for x
    x = 122,277.06/464.48
  6. Step 6: Final answer
    x = 263.26

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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.