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Finding the Fourth Proportional to 798.45, 1,196.16 and 468.58

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Solution

The fourth proportional to 798.45, 1,196.16 and 468.58 is: 701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.45 : 1,196.16 = 468.58 : x
  2. Step 2: Convert to fraction form
    798.45/1,196.16 = 468.58/x
  3. Step 3: Cross multiply
    798.45x = 1,196.16 × 468.58
  4. Step 4: Simplify right side
    798.45x = 560,491.91
  5. Step 5: Solve for x
    x = 560,491.91/798.45
  6. Step 6: Final answer
    x = 701.97

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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.