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Finding the Fourth Proportional to 2,961,648.29, 4,442,472.14 and 717,786.29

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Solution

The fourth proportional to 2,961,648.29, 4,442,472.14 and 717,786.29 is: 1,076,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,648.29 : 4,442,472.14 = 717,786.29 : x
  2. Step 2: Convert to fraction form
    2,961,648.29/4,442,472.14 = 717,786.29/x
  3. Step 3: Cross multiply
    2,961,648.29x = 4,442,472.14 × 717,786.29
  4. Step 4: Simplify right side
    2,961,648.29x = 3,188,745,603,316.21
  5. Step 5: Solve for x
    x = 3,188,745,603,316.21/2,961,648.29
  6. Step 6: Final answer
    x = 1,076,679.37

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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.