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Finding the Fourth Proportional to 315.24, 473.17 and 233.84

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Solution

The fourth proportional to 315.24, 473.17 and 233.84 is: 350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.24 : 473.17 = 233.84 : x
  2. Step 2: Convert to fraction form
    315.24/473.17 = 233.84/x
  3. Step 3: Cross multiply
    315.24x = 473.17 × 233.84
  4. Step 4: Simplify right side
    315.24x = 110,646.07
  5. Step 5: Solve for x
    x = 110,646.07/315.24
  6. Step 6: Final answer
    x = 350.99

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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.