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Finding the Fourth Proportional to 733.32, 1,099.26 and 322.56

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Solution

The fourth proportional to 733.32, 1,099.26 and 322.56 is: 483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.32 : 1,099.26 = 322.56 : x
  2. Step 2: Convert to fraction form
    733.32/1,099.26 = 322.56/x
  3. Step 3: Cross multiply
    733.32x = 1,099.26 × 322.56
  4. Step 4: Simplify right side
    733.32x = 354,577.31
  5. Step 5: Solve for x
    x = 354,577.31/733.32
  6. Step 6: Final answer
    x = 483.52

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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.