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Finding the Fourth Proportional to 532.12, 797.36 and 518.62

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Solution

The fourth proportional to 532.12, 797.36 and 518.62 is: 777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.12 : 797.36 = 518.62 : x
  2. Step 2: Convert to fraction form
    532.12/797.36 = 518.62/x
  3. Step 3: Cross multiply
    532.12x = 797.36 × 518.62
  4. Step 4: Simplify right side
    532.12x = 413,526.84
  5. Step 5: Solve for x
    x = 413,526.84/532.12
  6. Step 6: Final answer
    x = 777.13

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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.