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Finding the Fourth Proportional to 472,782.36, 652,494.90 and 268,863.66

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Solution

The fourth proportional to 472,782.36, 652,494.90 and 268,863.66 is: 371,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,782.36 : 652,494.90 = 268,863.66 : x
  2. Step 2: Convert to fraction form
    472,782.36/652,494.90 = 268,863.66/x
  3. Step 3: Cross multiply
    472,782.36x = 652,494.90 × 268,863.66
  4. Step 4: Simplify right side
    472,782.36x = 175,432,166,945.33
  5. Step 5: Solve for x
    x = 175,432,166,945.33/472,782.36
  6. Step 6: Final answer
    x = 371,063.27

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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.