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Finding the Fourth Proportional to 829.98, 1,244.68 and 598.18

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Solution

The fourth proportional to 829.98, 1,244.68 and 598.18 is: 897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    829.98 : 1,244.68 = 598.18 : x
  2. Step 2: Convert to fraction form
    829.98/1,244.68 = 598.18/x
  3. Step 3: Cross multiply
    829.98x = 1,244.68 × 598.18
  4. Step 4: Simplify right side
    829.98x = 744,542.68
  5. Step 5: Solve for x
    x = 744,542.68/829.98
  6. Step 6: Final answer
    x = 897.06

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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.