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Finding the Fourth Proportional to 3,309,761.17, 4,965,438.80 and 1,150,472.89

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Solution

The fourth proportional to 3,309,761.17, 4,965,438.80 and 1,150,472.89 is: 1,725,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,761.17 : 4,965,438.80 = 1,150,472.89 : x
  2. Step 2: Convert to fraction form
    3,309,761.17/4,965,438.80 = 1,150,472.89/x
  3. Step 3: Cross multiply
    3,309,761.17x = 4,965,438.80 × 1,150,472.89
  4. Step 4: Simplify right side
    3,309,761.17x = 5,712,602,720,601.77
  5. Step 5: Solve for x
    x = 5,712,602,720,601.77/3,309,761.17
  6. Step 6: Final answer
    x = 1,725,986.39

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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.