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Finding the Fourth Proportional to 532.96, 799.34 and 359.10

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Solution

The fourth proportional to 532.96, 799.34 and 359.10 is: 538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.96 : 799.34 = 359.10 : x
  2. Step 2: Convert to fraction form
    532.96/799.34 = 359.10/x
  3. Step 3: Cross multiply
    532.96x = 799.34 × 359.10
  4. Step 4: Simplify right side
    532.96x = 287,042.99
  5. Step 5: Solve for x
    x = 287,042.99/532.96
  6. Step 6: Final answer
    x = 538.58

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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.