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Finding the Fourth Proportional to 473.11, 652.88 and 263.28

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Solution

The fourth proportional to 473.11, 652.88 and 263.28 is: 363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.11 : 652.88 = 263.28 : x
  2. Step 2: Convert to fraction form
    473.11/652.88 = 263.28/x
  3. Step 3: Cross multiply
    473.11x = 652.88 × 263.28
  4. Step 4: Simplify right side
    473.11x = 171,888.93
  5. Step 5: Solve for x
    x = 171,888.93/473.11
  6. Step 6: Final answer
    x = 363.32

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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.