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Finding the Fourth Proportional to 269,308.61, 371,142.42 and 201,205.43

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Solution

The fourth proportional to 269,308.61, 371,142.42 and 201,205.43 is: 277,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,308.61 : 371,142.42 = 201,205.43 : x
  2. Step 2: Convert to fraction form
    269,308.61/371,142.42 = 201,205.43/x
  3. Step 3: Cross multiply
    269,308.61x = 371,142.42 × 201,205.43
  4. Step 4: Simplify right side
    269,308.61x = 74,675,868,351.63
  5. Step 5: Solve for x
    x = 74,675,868,351.63/269,308.61
  6. Step 6: Final answer
    x = 277,287.35

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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.