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Finding the Fourth Proportional to 467.41, 644.98 and 270.93

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Solution

The fourth proportional to 467.41, 644.98 and 270.93 is: 373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.41 : 644.98 = 270.93 : x
  2. Step 2: Convert to fraction form
    467.41/644.98 = 270.93/x
  3. Step 3: Cross multiply
    467.41x = 644.98 × 270.93
  4. Step 4: Simplify right side
    467.41x = 174,744.43
  5. Step 5: Solve for x
    x = 174,744.43/467.41
  6. Step 6: Final answer
    x = 373.86

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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.