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Finding the Fourth Proportional to 466.33, 644.06 and 404.07

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Solution

The fourth proportional to 466.33, 644.06 and 404.07 is: 558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.33 : 644.06 = 404.07 : x
  2. Step 2: Convert to fraction form
    466.33/644.06 = 404.07/x
  3. Step 3: Cross multiply
    466.33x = 644.06 × 404.07
  4. Step 4: Simplify right side
    466.33x = 260,245.32
  5. Step 5: Solve for x
    x = 260,245.32/466.33
  6. Step 6: Final answer
    x = 558.07

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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.