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Finding the Fourth Proportional to 472.18, 651.61 and 262.34

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Solution

The fourth proportional to 472.18, 651.61 and 262.34 is: 362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.18 : 651.61 = 262.34 : x
  2. Step 2: Convert to fraction form
    472.18/651.61 = 262.34/x
  3. Step 3: Cross multiply
    472.18x = 651.61 × 262.34
  4. Step 4: Simplify right side
    472.18x = 170,943.37
  5. Step 5: Solve for x
    x = 170,943.37/472.18
  6. Step 6: Final answer
    x = 362.03

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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.