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Finding the Fourth Proportional to 532.44, 797.62 and 423.92

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Solution

The fourth proportional to 532.44, 797.62 and 423.92 is: 635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.44 : 797.62 = 423.92 : x
  2. Step 2: Convert to fraction form
    532.44/797.62 = 423.92/x
  3. Step 3: Cross multiply
    532.44x = 797.62 × 423.92
  4. Step 4: Simplify right side
    532.44x = 338,127.07
  5. Step 5: Solve for x
    x = 338,127.07/532.44
  6. Step 6: Final answer
    x = 635.05

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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.