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Finding the Fourth Proportional to 469.29, 703.03 and 263.23

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Solution

The fourth proportional to 469.29, 703.03 and 263.23 is: 394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.29 : 703.03 = 263.23 : x
  2. Step 2: Convert to fraction form
    469.29/703.03 = 263.23/x
  3. Step 3: Cross multiply
    469.29x = 703.03 × 263.23
  4. Step 4: Simplify right side
    469.29x = 185,057.27
  5. Step 5: Solve for x
    x = 185,057.27/469.29
  6. Step 6: Final answer
    x = 394.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.