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Finding the Fourth Proportional to 798.23, 1,101.93 and 466.61

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Solution

The fourth proportional to 798.23, 1,101.93 and 466.61 is: 644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.23 : 1,101.93 = 466.61 : x
  2. Step 2: Convert to fraction form
    798.23/1,101.93 = 466.61/x
  3. Step 3: Cross multiply
    798.23x = 1,101.93 × 466.61
  4. Step 4: Simplify right side
    798.23x = 514,171.56
  5. Step 5: Solve for x
    x = 514,171.56/798.23
  6. Step 6: Final answer
    x = 644.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.