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Finding the Fourth Proportional to 532.20, 797.46 and 401.58

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Solution

The fourth proportional to 532.20, 797.46 and 401.58 is: 601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.20 : 797.46 = 401.58 : x
  2. Step 2: Convert to fraction form
    532.20/797.46 = 401.58/x
  3. Step 3: Cross multiply
    532.20x = 797.46 × 401.58
  4. Step 4: Simplify right side
    532.20x = 320,243.99
  5. Step 5: Solve for x
    x = 320,243.99/532.20
  6. Step 6: Final answer
    x = 601.74

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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.