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Finding the Fourth Proportional to 3,652,429.22, 5,479,391.06 and 1,255,962.61

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Solution

The fourth proportional to 3,652,429.22, 5,479,391.06 and 1,255,962.61 is: 1,884,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652,429.22 : 5,479,391.06 = 1,255,962.61 : x
  2. Step 2: Convert to fraction form
    3,652,429.22/5,479,391.06 = 1,255,962.61/x
  3. Step 3: Cross multiply
    3,652,429.22x = 5,479,391.06 × 1,255,962.61
  4. Step 4: Simplify right side
    3,652,429.22x = 6,881,910,296,928.27
  5. Step 5: Solve for x
    x = 6,881,910,296,928.27/3,652,429.22
  6. Step 6: Final answer
    x = 1,884,200.87

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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.