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Finding the Fourth Proportional to 733.07, 1,098.99 and 322.08

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Solution

The fourth proportional to 733.07, 1,098.99 and 322.08 is: 482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.07 : 1,098.99 = 322.08 : x
  2. Step 2: Convert to fraction form
    733.07/1,098.99 = 322.08/x
  3. Step 3: Cross multiply
    733.07x = 1,098.99 × 322.08
  4. Step 4: Simplify right side
    733.07x = 353,962.70
  5. Step 5: Solve for x
    x = 353,962.70/733.07
  6. Step 6: Final answer
    x = 482.85

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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.