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Finding the Fourth Proportional to 793.75, 1,188.60 and 588.01

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Solution

The fourth proportional to 793.75, 1,188.60 and 588.01 is: 880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.75 : 1,188.60 = 588.01 : x
  2. Step 2: Convert to fraction form
    793.75/1,188.60 = 588.01/x
  3. Step 3: Cross multiply
    793.75x = 1,188.60 × 588.01
  4. Step 4: Simplify right side
    793.75x = 698,908.69
  5. Step 5: Solve for x
    x = 698,908.69/793.75
  6. Step 6: Final answer
    x = 880.51

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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.