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Finding the Fourth Proportional to 3,609,674.74, 5,415,194.89 and 1,450,867.90

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Solution

The fourth proportional to 3,609,674.74, 5,415,194.89 and 1,450,867.90 is: 2,176,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,674.74 : 5,415,194.89 = 1,450,867.90 : x
  2. Step 2: Convert to fraction form
    3,609,674.74/5,415,194.89 = 1,450,867.90/x
  3. Step 3: Cross multiply
    3,609,674.74x = 5,415,194.89 × 1,450,867.90
  4. Step 4: Simplify right side
    3,609,674.74x = 7,856,732,438,145.03
  5. Step 5: Solve for x
    x = 7,856,732,438,145.03/3,609,674.74
  6. Step 6: Final answer
    x = 2,176,576.29

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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.