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Finding the Fourth Proportional to 566.36, 847.86 and 412.28

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Solution

The fourth proportional to 566.36, 847.86 and 412.28 is: 617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.36 : 847.86 = 412.28 : x
  2. Step 2: Convert to fraction form
    566.36/847.86 = 412.28/x
  3. Step 3: Cross multiply
    566.36x = 847.86 × 412.28
  4. Step 4: Simplify right side
    566.36x = 349,555.72
  5. Step 5: Solve for x
    x = 349,555.72/566.36
  6. Step 6: Final answer
    x = 617.20

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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.