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Finding the Fourth Proportional to 269,309.61, 371,143.80 and 201,206.43

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Solution

The fourth proportional to 269,309.61, 371,143.80 and 201,206.43 is: 277,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,309.61 : 371,143.80 = 201,206.43 : x
  2. Step 2: Convert to fraction form
    269,309.61/371,143.80 = 201,206.43/x
  3. Step 3: Cross multiply
    269,309.61x = 371,143.80 × 201,206.43
  4. Step 4: Simplify right side
    269,309.61x = 74,676,519,014.63
  5. Step 5: Solve for x
    x = 74,676,519,014.63/269,309.61
  6. Step 6: Final answer
    x = 277,288.73

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1.5x scale

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.