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Finding the Fourth Proportional to 569.66, 786.17 and 333.55

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Solution

The fourth proportional to 569.66, 786.17 and 333.55 is: 460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.66 : 786.17 = 333.55 : x
  2. Step 2: Convert to fraction form
    569.66/786.17 = 333.55/x
  3. Step 3: Cross multiply
    569.66x = 786.17 × 333.55
  4. Step 4: Simplify right side
    569.66x = 262,221.40
  5. Step 5: Solve for x
    x = 262,221.40/569.66
  6. Step 6: Final answer
    x = 460.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.