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Finding the Fourth Proportional to 482.24, 723.57 and 262.53

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Solution

The fourth proportional to 482.24, 723.57 and 262.53 is: 393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.24 : 723.57 = 262.53 : x
  2. Step 2: Convert to fraction form
    482.24/723.57 = 262.53/x
  3. Step 3: Cross multiply
    482.24x = 723.57 × 262.53
  4. Step 4: Simplify right side
    482.24x = 189,962.53
  5. Step 5: Solve for x
    x = 189,962.53/482.24
  6. Step 6: Final answer
    x = 393.92

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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.