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Finding the Fourth Proportional to 467.53, 644.76 and 362.45

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Solution

The fourth proportional to 467.53, 644.76 and 362.45 is: 499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.53 : 644.76 = 362.45 : x
  2. Step 2: Convert to fraction form
    467.53/644.76 = 362.45/x
  3. Step 3: Cross multiply
    467.53x = 644.76 × 362.45
  4. Step 4: Simplify right side
    467.53x = 233,693.26
  5. Step 5: Solve for x
    x = 233,693.26/467.53
  6. Step 6: Final answer
    x = 499.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.