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Finding the Fourth Proportional to 532.86, 799.03 and 316.38

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Solution

The fourth proportional to 532.86, 799.03 and 316.38 is: 474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.86 : 799.03 = 316.38 : x
  2. Step 2: Convert to fraction form
    532.86/799.03 = 316.38/x
  3. Step 3: Cross multiply
    532.86x = 799.03 × 316.38
  4. Step 4: Simplify right side
    532.86x = 252,797.11
  5. Step 5: Solve for x
    x = 252,797.11/532.86
  6. Step 6: Final answer
    x = 474.42

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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.