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Finding the Fourth Proportional to 569.98, 855.51 and 296.27

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Solution

The fourth proportional to 569.98, 855.51 and 296.27 is: 444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.98 : 855.51 = 296.27 : x
  2. Step 2: Convert to fraction form
    569.98/855.51 = 296.27/x
  3. Step 3: Cross multiply
    569.98x = 855.51 × 296.27
  4. Step 4: Simplify right side
    569.98x = 253,456.19
  5. Step 5: Solve for x
    x = 253,456.19/569.98
  6. Step 6: Final answer
    x = 444.68

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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.