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Finding the Fourth Proportional to 464.91, 696.95 and 176.55

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Solution

The fourth proportional to 464.91, 696.95 and 176.55 is: 264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.91 : 696.95 = 176.55 : x
  2. Step 2: Convert to fraction form
    464.91/696.95 = 176.55/x
  3. Step 3: Cross multiply
    464.91x = 696.95 × 176.55
  4. Step 4: Simplify right side
    464.91x = 123,042.16
  5. Step 5: Solve for x
    x = 123,042.16/464.91
  6. Step 6: Final answer
    x = 264.66

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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.