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Finding the Fourth Proportional to 3,299,411.72, 4,949,491.42 and 2,960,369.31

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Solution

The fourth proportional to 3,299,411.72, 4,949,491.42 and 2,960,369.31 is: 4,440,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299,411.72 : 4,949,491.42 = 2,960,369.31 : x
  2. Step 2: Convert to fraction form
    3,299,411.72/4,949,491.42 = 2,960,369.31/x
  3. Step 3: Cross multiply
    3,299,411.72x = 4,949,491.42 × 2,960,369.31
  4. Step 4: Simplify right side
    3,299,411.72x = 14,652,322,460,327.02
  5. Step 5: Solve for x
    x = 14,652,322,460,327.02/3,299,411.72
  6. Step 6: Final answer
    x = 4,440,889.38

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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.