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Finding the Fourth Proportional to 472,721.82, 652,329.41 and 268,744.38

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Solution

The fourth proportional to 472,721.82, 652,329.41 and 268,744.38 is: 370,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,721.82 : 652,329.41 = 268,744.38 : x
  2. Step 2: Convert to fraction form
    472,721.82/652,329.41 = 268,744.38/x
  3. Step 3: Cross multiply
    472,721.82x = 652,329.41 × 268,744.38
  4. Step 4: Simplify right side
    472,721.82x = 175,309,861,502.49
  5. Step 5: Solve for x
    x = 175,309,861,502.49/472,721.82
  6. Step 6: Final answer
    x = 370,852.06

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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.