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Finding the Fourth Proportional to 733.65, 1,097.93 and 425.04

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Solution

The fourth proportional to 733.65, 1,097.93 and 425.04 is: 636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.65 : 1,097.93 = 425.04 : x
  2. Step 2: Convert to fraction form
    733.65/1,097.93 = 425.04/x
  3. Step 3: Cross multiply
    733.65x = 1,097.93 × 425.04
  4. Step 4: Simplify right side
    733.65x = 466,664.17
  5. Step 5: Solve for x
    x = 466,664.17/733.65
  6. Step 6: Final answer
    x = 636.09

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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.