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Finding the Fourth Proportional to 484,092.15, 668,055.75 and 269,232.31

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Solution

The fourth proportional to 484,092.15, 668,055.75 and 269,232.31 is: 371,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,092.15 : 668,055.75 = 269,232.31 : x
  2. Step 2: Convert to fraction form
    484,092.15/668,055.75 = 269,232.31/x
  3. Step 3: Cross multiply
    484,092.15x = 668,055.75 × 269,232.31
  4. Step 4: Simplify right side
    484,092.15x = 179,862,190,363.35
  5. Step 5: Solve for x
    x = 179,862,190,363.35/484,092.15
  6. Step 6: Final answer
    x = 371,545.36

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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.