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Finding the Fourth Proportional to 833.12, 1,248 and 588.56

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Solution

The fourth proportional to 833.12, 1,248 and 588.56 is: 881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.12 : 1,248 = 588.56 : x
  2. Step 2: Convert to fraction form
    833.12/1,248 = 588.56/x
  3. Step 3: Cross multiply
    833.12x = 1,248 × 588.56
  4. Step 4: Simplify right side
    833.12x = 734,522.88
  5. Step 5: Solve for x
    x = 734,522.88/833.12
  6. Step 6: Final answer
    x = 881.65

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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.