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Finding the Fourth Proportional to 936.93, 1,293.12 and 544.02

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Solution

The fourth proportional to 936.93, 1,293.12 and 544.02 is: 750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.93 : 1,293.12 = 544.02 : x
  2. Step 2: Convert to fraction form
    936.93/1,293.12 = 544.02/x
  3. Step 3: Cross multiply
    936.93x = 1,293.12 × 544.02
  4. Step 4: Simplify right side
    936.93x = 703,483.14
  5. Step 5: Solve for x
    x = 703,483.14/936.93
  6. Step 6: Final answer
    x = 750.84

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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.