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Finding the Fourth Proportional to 1,473.94, 2,209.38 and 499.24

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Solution

The fourth proportional to 1,473.94, 2,209.38 and 499.24 is: 748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.94 : 2,209.38 = 499.24 : x
  2. Step 2: Convert to fraction form
    1,473.94/2,209.38 = 499.24/x
  3. Step 3: Cross multiply
    1,473.94x = 2,209.38 × 499.24
  4. Step 4: Simplify right side
    1,473.94x = 1,103,010.87
  5. Step 5: Solve for x
    x = 1,103,010.87/1,473.94
  6. Step 6: Final answer
    x = 748.34

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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.