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Finding the Fourth Proportional to 3,869,228.73, 5,803,836.21 and 1,029,340.86

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Solution

The fourth proportional to 3,869,228.73, 5,803,836.21 and 1,029,340.86 is: 1,544,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,228.73 : 5,803,836.21 = 1,029,340.86 : x
  2. Step 2: Convert to fraction form
    3,869,228.73/5,803,836.21 = 1,029,340.86/x
  3. Step 3: Cross multiply
    3,869,228.73x = 5,803,836.21 × 1,029,340.86
  4. Step 4: Simplify right side
    3,869,228.73x = 5,974,125,755,700.54
  5. Step 5: Solve for x
    x = 5,974,125,755,700.54/3,869,228.73
  6. Step 6: Final answer
    x = 1,544,009.46

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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.