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Finding the Fourth Proportional to 519.22, 716.16 and 332.92

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Solution

The fourth proportional to 519.22, 716.16 and 332.92 is: 459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.22 : 716.16 = 332.92 : x
  2. Step 2: Convert to fraction form
    519.22/716.16 = 332.92/x
  3. Step 3: Cross multiply
    519.22x = 716.16 × 332.92
  4. Step 4: Simplify right side
    519.22x = 238,423.99
  5. Step 5: Solve for x
    x = 238,423.99/519.22
  6. Step 6: Final answer
    x = 459.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.