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Finding the Fourth Proportional to 1,479.17, 2,218.01 and 504.96

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Solution

The fourth proportional to 1,479.17, 2,218.01 and 504.96 is: 757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.17 : 2,218.01 = 504.96 : x
  2. Step 2: Convert to fraction form
    1,479.17/2,218.01 = 504.96/x
  3. Step 3: Cross multiply
    1,479.17x = 2,218.01 × 504.96
  4. Step 4: Simplify right side
    1,479.17x = 1,120,003.80
  5. Step 5: Solve for x
    x = 1,120,003.80/1,479.17
  6. Step 6: Final answer
    x = 757.19

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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.