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Finding the Fourth Proportional to 495.24, 741.48 and 251.25

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Solution

The fourth proportional to 495.24, 741.48 and 251.25 is: 376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.24 : 741.48 = 251.25 : x
  2. Step 2: Convert to fraction form
    495.24/741.48 = 251.25/x
  3. Step 3: Cross multiply
    495.24x = 741.48 × 251.25
  4. Step 4: Simplify right side
    495.24x = 186,298.00
  5. Step 5: Solve for x
    x = 186,298.00/495.24
  6. Step 6: Final answer
    x = 376.18

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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.