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Finding the Fourth Proportional to 1,473.37, 2,209.91 and 499.41

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Solution

The fourth proportional to 1,473.37, 2,209.91 and 499.41 is: 749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.37 : 2,209.91 = 499.41 : x
  2. Step 2: Convert to fraction form
    1,473.37/2,209.91 = 499.41/x
  3. Step 3: Cross multiply
    1,473.37x = 2,209.91 × 499.41
  4. Step 4: Simplify right side
    1,473.37x = 1,103,651.15
  5. Step 5: Solve for x
    x = 1,103,651.15/1,473.37
  6. Step 6: Final answer
    x = 749.07

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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.