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Finding the Fourth Proportional to 350.16, 482.10 and 331.92

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Solution

The fourth proportional to 350.16, 482.10 and 331.92 is: 456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.16 : 482.10 = 331.92 : x
  2. Step 2: Convert to fraction form
    350.16/482.10 = 331.92/x
  3. Step 3: Cross multiply
    350.16x = 482.10 × 331.92
  4. Step 4: Simplify right side
    350.16x = 160,018.63
  5. Step 5: Solve for x
    x = 160,018.63/350.16
  6. Step 6: Final answer
    x = 456.99

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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.