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Finding the Fourth Proportional to 588.83, 879.79 and 568.40

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Solution

The fourth proportional to 588.83, 879.79 and 568.40 is: 849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.83 : 879.79 = 568.40 : x
  2. Step 2: Convert to fraction form
    588.83/879.79 = 568.40/x
  3. Step 3: Cross multiply
    588.83x = 879.79 × 568.40
  4. Step 4: Simplify right side
    588.83x = 500,066.82
  5. Step 5: Solve for x
    x = 500,066.82/588.83
  6. Step 6: Final answer
    x = 849.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.