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Finding the Fourth Proportional to 332.54, 498.04 and 321.01

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Solution

The fourth proportional to 332.54, 498.04 and 321.01 is: 480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.54 : 498.04 = 321.01 : x
  2. Step 2: Convert to fraction form
    332.54/498.04 = 321.01/x
  3. Step 3: Cross multiply
    332.54x = 498.04 × 321.01
  4. Step 4: Simplify right side
    332.54x = 159,874.58
  5. Step 5: Solve for x
    x = 159,874.58/332.54
  6. Step 6: Final answer
    x = 480.76

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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.