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Finding the Fourth Proportional to 338,695, 467,415.30 and 187,792

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Solution

The fourth proportional to 338,695, 467,415.30 and 187,792 is: 259,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,695 : 467,415.30 = 187,792 : x
  2. Step 2: Convert to fraction form
    338,695/467,415.30 = 187,792/x
  3. Step 3: Cross multiply
    338,695x = 467,415.30 × 187,792
  4. Step 4: Simplify right side
    338,695x = 87,776,854,017.60
  5. Step 5: Solve for x
    x = 87,776,854,017.60/338,695
  6. Step 6: Final answer
    x = 259,161.94

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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.