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Finding the Fourth Proportional to 793.71, 1,188.68 and 468.09

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Solution

The fourth proportional to 793.71, 1,188.68 and 468.09 is: 701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.71 : 1,188.68 = 468.09 : x
  2. Step 2: Convert to fraction form
    793.71/1,188.68 = 468.09/x
  3. Step 3: Cross multiply
    793.71x = 1,188.68 × 468.09
  4. Step 4: Simplify right side
    793.71x = 556,406.88
  5. Step 5: Solve for x
    x = 556,406.88/793.71
  6. Step 6: Final answer
    x = 701.02

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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.