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Finding the Fourth Proportional to 563.22, 843.06 and 358.02

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Solution

The fourth proportional to 563.22, 843.06 and 358.02 is: 535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.22 : 843.06 = 358.02 : x
  2. Step 2: Convert to fraction form
    563.22/843.06 = 358.02/x
  3. Step 3: Cross multiply
    563.22x = 843.06 × 358.02
  4. Step 4: Simplify right side
    563.22x = 301,832.34
  5. Step 5: Solve for x
    x = 301,832.34/563.22
  6. Step 6: Final answer
    x = 535.90

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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.