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Finding the Fourth Proportional to 798.44, 1,197.99 and 473.63

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Solution

The fourth proportional to 798.44, 1,197.99 and 473.63 is: 710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.44 : 1,197.99 = 473.63 : x
  2. Step 2: Convert to fraction form
    798.44/1,197.99 = 473.63/x
  3. Step 3: Cross multiply
    798.44x = 1,197.99 × 473.63
  4. Step 4: Simplify right side
    798.44x = 567,398.01
  5. Step 5: Solve for x
    x = 567,398.01/798.44
  6. Step 6: Final answer
    x = 710.64

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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.