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Finding the Fourth Proportional to 464.01, 696.42 and 190.23

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Solution

The fourth proportional to 464.01, 696.42 and 190.23 is: 285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.01 : 696.42 = 190.23 : x
  2. Step 2: Convert to fraction form
    464.01/696.42 = 190.23/x
  3. Step 3: Cross multiply
    464.01x = 696.42 × 190.23
  4. Step 4: Simplify right side
    464.01x = 132,479.98
  5. Step 5: Solve for x
    x = 132,479.98/464.01
  6. Step 6: Final answer
    x = 285.51

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Double scale
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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.