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Finding the Fourth Proportional to 273,372.40, 376,694 and 201,638.80

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Solution

The fourth proportional to 273,372.40, 376,694 and 201,638.80 is: 277,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,372.40 : 376,694 = 201,638.80 : x
  2. Step 2: Convert to fraction form
    273,372.40/376,694 = 201,638.80/x
  3. Step 3: Cross multiply
    273,372.40x = 376,694 × 201,638.80
  4. Step 4: Simplify right side
    273,372.40x = 75,956,126,127.20
  5. Step 5: Solve for x
    x = 75,956,126,127.20/273,372.40
  6. Step 6: Final answer
    x = 277,848.55

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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.