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Finding the Fourth Proportional to 798.45, 1,101.86 and 466.88

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Solution

The fourth proportional to 798.45, 1,101.86 and 466.88 is: 644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.45 : 1,101.86 = 466.88 : x
  2. Step 2: Convert to fraction form
    798.45/1,101.86 = 466.88/x
  3. Step 3: Cross multiply
    798.45x = 1,101.86 × 466.88
  4. Step 4: Simplify right side
    798.45x = 514,432.05
  5. Step 5: Solve for x
    x = 514,432.05/798.45
  6. Step 6: Final answer
    x = 644.29

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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.