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Finding the Fourth Proportional to 523.36, 784.96 and 332.32

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Solution

The fourth proportional to 523.36, 784.96 and 332.32 is: 498.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.36 : 784.96 = 332.32 : x
  2. Step 2: Convert to fraction form
    523.36/784.96 = 332.32/x
  3. Step 3: Cross multiply
    523.36x = 784.96 × 332.32
  4. Step 4: Simplify right side
    523.36x = 260,857.91
  5. Step 5: Solve for x
    x = 260,857.91/523.36
  6. Step 6: Final answer
    x = 498.43

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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.