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Finding the Fourth Proportional to 699.98, 1,048.76 and 334.27

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Solution

The fourth proportional to 699.98, 1,048.76 and 334.27 is: 500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.98 : 1,048.76 = 334.27 : x
  2. Step 2: Convert to fraction form
    699.98/1,048.76 = 334.27/x
  3. Step 3: Cross multiply
    699.98x = 1,048.76 × 334.27
  4. Step 4: Simplify right side
    699.98x = 350,562.09
  5. Step 5: Solve for x
    x = 350,562.09/699.98
  6. Step 6: Final answer
    x = 500.82

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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.