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Finding the Fourth Proportional to 473.02, 652.81 and 263.22

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Solution

The fourth proportional to 473.02, 652.81 and 263.22 is: 363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.02 : 652.81 = 263.22 : x
  2. Step 2: Convert to fraction form
    473.02/652.81 = 263.22/x
  3. Step 3: Cross multiply
    473.02x = 652.81 × 263.22
  4. Step 4: Simplify right side
    473.02x = 171,832.65
  5. Step 5: Solve for x
    x = 171,832.65/473.02
  6. Step 6: Final answer
    x = 363.27

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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.