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Finding the Fourth Proportional to 883.92, 1,324.02 and 537.06

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Solution

The fourth proportional to 883.92, 1,324.02 and 537.06 is: 804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.92 : 1,324.02 = 537.06 : x
  2. Step 2: Convert to fraction form
    883.92/1,324.02 = 537.06/x
  3. Step 3: Cross multiply
    883.92x = 1,324.02 × 537.06
  4. Step 4: Simplify right side
    883.92x = 711,078.18
  5. Step 5: Solve for x
    x = 711,078.18/883.92
  6. Step 6: Final answer
    x = 804.46

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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.