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Finding the Fourth Proportional to 906.44, 1,358.61 and 598.22

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Solution

The fourth proportional to 906.44, 1,358.61 and 598.22 is: 896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.44 : 1,358.61 = 598.22 : x
  2. Step 2: Convert to fraction form
    906.44/1,358.61 = 598.22/x
  3. Step 3: Cross multiply
    906.44x = 1,358.61 × 598.22
  4. Step 4: Simplify right side
    906.44x = 812,747.67
  5. Step 5: Solve for x
    x = 812,747.67/906.44
  6. Step 6: Final answer
    x = 896.64

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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.