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Finding the Fourth Proportional to 564.41, 846.66 and 557.30

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Solution

The fourth proportional to 564.41, 846.66 and 557.30 is: 835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.41 : 846.66 = 557.30 : x
  2. Step 2: Convert to fraction form
    564.41/846.66 = 557.30/x
  3. Step 3: Cross multiply
    564.41x = 846.66 × 557.30
  4. Step 4: Simplify right side
    564.41x = 471,843.62
  5. Step 5: Solve for x
    x = 471,843.62/564.41
  6. Step 6: Final answer
    x = 835.99

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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.