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Finding the Fourth Proportional to 325.92, 484.80 and 324.84

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Solution

The fourth proportional to 325.92, 484.80 and 324.84 is: 483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.92 : 484.80 = 324.84 : x
  2. Step 2: Convert to fraction form
    325.92/484.80 = 324.84/x
  3. Step 3: Cross multiply
    325.92x = 484.80 × 324.84
  4. Step 4: Simplify right side
    325.92x = 157,482.43
  5. Step 5: Solve for x
    x = 157,482.43/325.92
  6. Step 6: Final answer
    x = 483.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.