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Finding the Fourth Proportional to 472,906.46, 652,626.66 and 258,058.31

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Solution

The fourth proportional to 472,906.46, 652,626.66 and 258,058.31 is: 356,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,906.46 : 652,626.66 = 258,058.31 : x
  2. Step 2: Convert to fraction form
    472,906.46/652,626.66 = 258,058.31/x
  3. Step 3: Cross multiply
    472,906.46x = 652,626.66 × 258,058.31
  4. Step 4: Simplify right side
    472,906.46x = 168,415,729,677.41
  5. Step 5: Solve for x
    x = 168,415,729,677.41/472,906.46
  6. Step 6: Final answer
    x = 356,129.06

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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.