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Finding the Fourth Proportional to 532.67, 798.27 and 394.59

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Solution

The fourth proportional to 532.67, 798.27 and 394.59 is: 591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.67 : 798.27 = 394.59 : x
  2. Step 2: Convert to fraction form
    532.67/798.27 = 394.59/x
  3. Step 3: Cross multiply
    532.67x = 798.27 × 394.59
  4. Step 4: Simplify right side
    532.67x = 314,989.36
  5. Step 5: Solve for x
    x = 314,989.36/532.67
  6. Step 6: Final answer
    x = 591.35

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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.