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Finding the Fourth Proportional to 463.94, 695.97 and 151.49

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Solution

The fourth proportional to 463.94, 695.97 and 151.49 is: 227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.94 : 695.97 = 151.49 : x
  2. Step 2: Convert to fraction form
    463.94/695.97 = 151.49/x
  3. Step 3: Cross multiply
    463.94x = 695.97 × 151.49
  4. Step 4: Simplify right side
    463.94x = 105,430.45
  5. Step 5: Solve for x
    x = 105,430.45/463.94
  6. Step 6: Final answer
    x = 227.25

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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.