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Finding the Fourth Proportional to 484,092.72, 668,057.40 and 269,233.20

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Solution

The fourth proportional to 484,092.72, 668,057.40 and 269,233.20 is: 371,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,092.72 : 668,057.40 = 269,233.20 : x
  2. Step 2: Convert to fraction form
    484,092.72/668,057.40 = 269,233.20/x
  3. Step 3: Cross multiply
    484,092.72x = 668,057.40 × 269,233.20
  4. Step 4: Simplify right side
    484,092.72x = 179,863,231,585.68
  5. Step 5: Solve for x
    x = 179,863,231,585.68/484,092.72
  6. Step 6: Final answer
    x = 371,547.07

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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.