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Finding the Fourth Proportional to 472,821.52, 652,490.52 and 268,872.52

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Solution

The fourth proportional to 472,821.52, 652,490.52 and 268,872.52 is: 371,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,821.52 : 652,490.52 = 268,872.52 : x
  2. Step 2: Convert to fraction form
    472,821.52/652,490.52 = 268,872.52/x
  3. Step 3: Cross multiply
    472,821.52x = 652,490.52 × 268,872.52
  4. Step 4: Simplify right side
    472,821.52x = 175,436,770,388.51
  5. Step 5: Solve for x
    x = 175,436,770,388.51/472,821.52
  6. Step 6: Final answer
    x = 371,042.27

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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.