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Finding the Fourth Proportional to 566.12, 849.54 and 561.48

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Solution

The fourth proportional to 566.12, 849.54 and 561.48 is: 842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.12 : 849.54 = 561.48 : x
  2. Step 2: Convert to fraction form
    566.12/849.54 = 561.48/x
  3. Step 3: Cross multiply
    566.12x = 849.54 × 561.48
  4. Step 4: Simplify right side
    566.12x = 476,999.72
  5. Step 5: Solve for x
    x = 476,999.72/566.12
  6. Step 6: Final answer
    x = 842.58

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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.