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Finding the Fourth Proportional to 718.68, 992.02 and 544.04

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Solution

The fourth proportional to 718.68, 992.02 and 544.04 is: 750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    718.68 : 992.02 = 544.04 : x
  2. Step 2: Convert to fraction form
    718.68/992.02 = 544.04/x
  3. Step 3: Cross multiply
    718.68x = 992.02 × 544.04
  4. Step 4: Simplify right side
    718.68x = 539,698.56
  5. Step 5: Solve for x
    x = 539,698.56/718.68
  6. Step 6: Final answer
    x = 750.96

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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.