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Finding the Fourth Proportional to 1,472.52, 2,208.87 and 607.44

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Solution

The fourth proportional to 1,472.52, 2,208.87 and 607.44 is: 911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.52 : 2,208.87 = 607.44 : x
  2. Step 2: Convert to fraction form
    1,472.52/2,208.87 = 607.44/x
  3. Step 3: Cross multiply
    1,472.52x = 2,208.87 × 607.44
  4. Step 4: Simplify right side
    1,472.52x = 1,341,755.99
  5. Step 5: Solve for x
    x = 1,341,755.99/1,472.52
  6. Step 6: Final answer
    x = 911.20

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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.