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Finding the Fourth Proportional to 463.94, 695.50 and 190.26

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Solution

The fourth proportional to 463.94, 695.50 and 190.26 is: 285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.94 : 695.50 = 190.26 : x
  2. Step 2: Convert to fraction form
    463.94/695.50 = 190.26/x
  3. Step 3: Cross multiply
    463.94x = 695.50 × 190.26
  4. Step 4: Simplify right side
    463.94x = 132,325.83
  5. Step 5: Solve for x
    x = 132,325.83/463.94
  6. Step 6: Final answer
    x = 285.22

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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.