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Finding the Fourth Proportional to 467.01, 644.59 and 270.64

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Solution

The fourth proportional to 467.01, 644.59 and 270.64 is: 373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.01 : 644.59 = 270.64 : x
  2. Step 2: Convert to fraction form
    467.01/644.59 = 270.64/x
  3. Step 3: Cross multiply
    467.01x = 644.59 × 270.64
  4. Step 4: Simplify right side
    467.01x = 174,451.84
  5. Step 5: Solve for x
    x = 174,451.84/467.01
  6. Step 6: Final answer
    x = 373.55

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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.