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Finding the Fourth Proportional to 942.92, 1,301.06 and 544.52

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Solution

The fourth proportional to 942.92, 1,301.06 and 544.52 is: 751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.92 : 1,301.06 = 544.52 : x
  2. Step 2: Convert to fraction form
    942.92/1,301.06 = 544.52/x
  3. Step 3: Cross multiply
    942.92x = 1,301.06 × 544.52
  4. Step 4: Simplify right side
    942.92x = 708,453.19
  5. Step 5: Solve for x
    x = 708,453.19/942.92
  6. Step 6: Final answer
    x = 751.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.