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Finding the Fourth Proportional to 463.57, 695.36 and 155.34

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Solution

The fourth proportional to 463.57, 695.36 and 155.34 is: 233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.57 : 695.36 = 155.34 : x
  2. Step 2: Convert to fraction form
    463.57/695.36 = 155.34/x
  3. Step 3: Cross multiply
    463.57x = 695.36 × 155.34
  4. Step 4: Simplify right side
    463.57x = 108,019.13
  5. Step 5: Solve for x
    x = 108,019.13/463.57
  6. Step 6: Final answer
    x = 233.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.