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Finding the Fourth Proportional to 223, 332.52 and 210.22

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Solution

The fourth proportional to 223, 332.52 and 210.22 is: 313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223 : 332.52 = 210.22 : x
  2. Step 2: Convert to fraction form
    223/332.52 = 210.22/x
  3. Step 3: Cross multiply
    223x = 332.52 × 210.22
  4. Step 4: Simplify right side
    223x = 69,902.35
  5. Step 5: Solve for x
    x = 69,902.35/223
  6. Step 6: Final answer
    x = 313.46

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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.