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Finding the Fourth Proportional to 338,551, 467,200.45 and 187,648

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Solution

The fourth proportional to 338,551, 467,200.45 and 187,648 is: 258,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,551 : 467,200.45 = 187,648 : x
  2. Step 2: Convert to fraction form
    338,551/467,200.45 = 187,648/x
  3. Step 3: Cross multiply
    338,551x = 467,200.45 × 187,648
  4. Step 4: Simplify right side
    338,551x = 87,669,230,041.60
  5. Step 5: Solve for x
    x = 87,669,230,041.60/338,551
  6. Step 6: Final answer
    x = 258,954.28

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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.