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Finding the Fourth Proportional to 1,509.24, 2,264.14 and 483

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Solution

The fourth proportional to 1,509.24, 2,264.14 and 483 is: 724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.24 : 2,264.14 = 483 : x
  2. Step 2: Convert to fraction form
    1,509.24/2,264.14 = 483/x
  3. Step 3: Cross multiply
    1,509.24x = 2,264.14 × 483
  4. Step 4: Simplify right side
    1,509.24x = 1,093,579.62
  5. Step 5: Solve for x
    x = 1,093,579.62/1,509.24
  6. Step 6: Final answer
    x = 724.59

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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.