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Finding the Fourth Proportional to 484,618.74, 668,793.51 and 269,745.18

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Solution

The fourth proportional to 484,618.74, 668,793.51 and 269,745.18 is: 372,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,618.74 : 668,793.51 = 269,745.18 : x
  2. Step 2: Convert to fraction form
    484,618.74/668,793.51 = 269,745.18/x
  3. Step 3: Cross multiply
    484,618.74x = 668,793.51 × 269,745.18
  4. Step 4: Simplify right side
    484,618.74x = 180,403,825,737.78
  5. Step 5: Solve for x
    x = 180,403,825,737.78/484,618.74
  6. Step 6: Final answer
    x = 372,259.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.