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Finding the Fourth Proportional to 464.61, 696.96 and 190.67

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Solution

The fourth proportional to 464.61, 696.96 and 190.67 is: 286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.61 : 696.96 = 190.67 : x
  2. Step 2: Convert to fraction form
    464.61/696.96 = 190.67/x
  3. Step 3: Cross multiply
    464.61x = 696.96 × 190.67
  4. Step 4: Simplify right side
    464.61x = 132,891.11
  5. Step 5: Solve for x
    x = 132,891.11/464.61
  6. Step 6: Final answer
    x = 286.03

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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.