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Finding the Fourth Proportional to 484,093.65, 668,057.82 and 269,233.80

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Solution

The fourth proportional to 484,093.65, 668,057.82 and 269,233.80 is: 371,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,093.65 : 668,057.82 = 269,233.80 : x
  2. Step 2: Convert to fraction form
    484,093.65/668,057.82 = 269,233.80/x
  3. Step 3: Cross multiply
    484,093.65x = 668,057.82 × 269,233.80
  4. Step 4: Simplify right side
    484,093.65x = 179,863,745,498.32
  5. Step 5: Solve for x
    x = 179,863,745,498.32/484,093.65
  6. Step 6: Final answer
    x = 371,547.42

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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.