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Finding the Fourth Proportional to 459.24, 632.92 and 348.44

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Solution

The fourth proportional to 459.24, 632.92 and 348.44 is: 480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.24 : 632.92 = 348.44 : x
  2. Step 2: Convert to fraction form
    459.24/632.92 = 348.44/x
  3. Step 3: Cross multiply
    459.24x = 632.92 × 348.44
  4. Step 4: Simplify right side
    459.24x = 220,534.64
  5. Step 5: Solve for x
    x = 220,534.64/459.24
  6. Step 6: Final answer
    x = 480.22

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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.