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Finding the Fourth Proportional to 1,473.00, 2,209.83 and 433.08

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Solution

The fourth proportional to 1,473.00, 2,209.83 and 433.08 is: 649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.00 : 2,209.83 = 433.08 : x
  2. Step 2: Convert to fraction form
    1,473.00/2,209.83 = 433.08/x
  3. Step 3: Cross multiply
    1,473.00x = 2,209.83 × 433.08
  4. Step 4: Simplify right side
    1,473.00x = 957,022.13
  5. Step 5: Solve for x
    x = 957,022.13/1,473.00
  6. Step 6: Final answer
    x = 649.71

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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.