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Finding the Fourth Proportional to 464.22, 693.77 and 372.49

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Solution

The fourth proportional to 464.22, 693.77 and 372.49 is: 556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.22 : 693.77 = 372.49 : x
  2. Step 2: Convert to fraction form
    464.22/693.77 = 372.49/x
  3. Step 3: Cross multiply
    464.22x = 693.77 × 372.49
  4. Step 4: Simplify right side
    464.22x = 258,422.39
  5. Step 5: Solve for x
    x = 258,422.39/464.22
  6. Step 6: Final answer
    x = 556.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.