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Finding the Fourth Proportional to 463.93, 695.79 and 155.93

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Solution

The fourth proportional to 463.93, 695.79 and 155.93 is: 233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.93 : 695.79 = 155.93 : x
  2. Step 2: Convert to fraction form
    463.93/695.79 = 155.93/x
  3. Step 3: Cross multiply
    463.93x = 695.79 × 155.93
  4. Step 4: Simplify right side
    463.93x = 108,491.06
  5. Step 5: Solve for x
    x = 108,491.06/463.93
  6. Step 6: Final answer
    x = 233.85

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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.