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Finding the Fourth Proportional to 792.84, 1,193.91 and 588.86

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Solution

The fourth proportional to 792.84, 1,193.91 and 588.86 is: 886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.84 : 1,193.91 = 588.86 : x
  2. Step 2: Convert to fraction form
    792.84/1,193.91 = 588.86/x
  3. Step 3: Cross multiply
    792.84x = 1,193.91 × 588.86
  4. Step 4: Simplify right side
    792.84x = 703,045.84
  5. Step 5: Solve for x
    x = 703,045.84/792.84
  6. Step 6: Final answer
    x = 886.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.