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Finding the Fourth Proportional to 532.71, 799.20 and 529.47

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Solution

The fourth proportional to 532.71, 799.20 and 529.47 is: 794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.71 : 799.20 = 529.47 : x
  2. Step 2: Convert to fraction form
    532.71/799.20 = 529.47/x
  3. Step 3: Cross multiply
    532.71x = 799.20 × 529.47
  4. Step 4: Simplify right side
    532.71x = 423,152.42
  5. Step 5: Solve for x
    x = 423,152.42/532.71
  6. Step 6: Final answer
    x = 794.34

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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.