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Finding the Fourth Proportional to 1,523.26, 2,285.07 and 483.06

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Solution

The fourth proportional to 1,523.26, 2,285.07 and 483.06 is: 724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.26 : 2,285.07 = 483.06 : x
  2. Step 2: Convert to fraction form
    1,523.26/2,285.07 = 483.06/x
  3. Step 3: Cross multiply
    1,523.26x = 2,285.07 × 483.06
  4. Step 4: Simplify right side
    1,523.26x = 1,103,825.91
  5. Step 5: Solve for x
    x = 1,103,825.91/1,523.26
  6. Step 6: Final answer
    x = 724.65

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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.