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Finding the Fourth Proportional to 1,033.62, 1,549.34 and 545.46

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Solution

The fourth proportional to 1,033.62, 1,549.34 and 545.46 is: 817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.62 : 1,549.34 = 545.46 : x
  2. Step 2: Convert to fraction form
    1,033.62/1,549.34 = 545.46/x
  3. Step 3: Cross multiply
    1,033.62x = 1,549.34 × 545.46
  4. Step 4: Simplify right side
    1,033.62x = 845,103.00
  5. Step 5: Solve for x
    x = 845,103.00/1,033.62
  6. Step 6: Final answer
    x = 817.61

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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.