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Finding the Fourth Proportional to 464.64, 696.81 and 176.01

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Solution

The fourth proportional to 464.64, 696.81 and 176.01 is: 263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.64 : 696.81 = 176.01 : x
  2. Step 2: Convert to fraction form
    464.64/696.81 = 176.01/x
  3. Step 3: Cross multiply
    464.64x = 696.81 × 176.01
  4. Step 4: Simplify right side
    464.64x = 122,645.53
  5. Step 5: Solve for x
    x = 122,645.53/464.64
  6. Step 6: Final answer
    x = 263.96

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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.