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Finding the Fourth Proportional to 733.06, 1,099.59 and 322.18

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Solution

The fourth proportional to 733.06, 1,099.59 and 322.18 is: 483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.06 : 1,099.59 = 322.18 : x
  2. Step 2: Convert to fraction form
    733.06/1,099.59 = 322.18/x
  3. Step 3: Cross multiply
    733.06x = 1,099.59 × 322.18
  4. Step 4: Simplify right side
    733.06x = 354,265.91
  5. Step 5: Solve for x
    x = 354,265.91/733.06
  6. Step 6: Final answer
    x = 483.27

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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.