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Finding the Fourth Proportional to 322.54, 483.32 and 276.01

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Solution

The fourth proportional to 322.54, 483.32 and 276.01 is: 413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.54 : 483.32 = 276.01 : x
  2. Step 2: Convert to fraction form
    322.54/483.32 = 276.01/x
  3. Step 3: Cross multiply
    322.54x = 483.32 × 276.01
  4. Step 4: Simplify right side
    322.54x = 133,403.35
  5. Step 5: Solve for x
    x = 133,403.35/322.54
  6. Step 6: Final answer
    x = 413.61

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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.