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Finding the Fourth Proportional to 463.27, 695.00 and 155.09

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Solution

The fourth proportional to 463.27, 695.00 and 155.09 is: 232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.27 : 695.00 = 155.09 : x
  2. Step 2: Convert to fraction form
    463.27/695.00 = 155.09/x
  3. Step 3: Cross multiply
    463.27x = 695.00 × 155.09
  4. Step 4: Simplify right side
    463.27x = 107,786.77
  5. Step 5: Solve for x
    x = 107,786.77/463.27
  6. Step 6: Final answer
    x = 232.67

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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.