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Finding the Fourth Proportional to 1,094.46, 1,640.66 and 363.62

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Solution

The fourth proportional to 1,094.46, 1,640.66 and 363.62 is: 545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.46 : 1,640.66 = 363.62 : x
  2. Step 2: Convert to fraction form
    1,094.46/1,640.66 = 363.62/x
  3. Step 3: Cross multiply
    1,094.46x = 1,640.66 × 363.62
  4. Step 4: Simplify right side
    1,094.46x = 596,576.79
  5. Step 5: Solve for x
    x = 596,576.79/1,094.46
  6. Step 6: Final answer
    x = 545.09

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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.