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Finding the Fourth Proportional to 276,297.63, 414,446.44 and 89,309.13

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Solution

The fourth proportional to 276,297.63, 414,446.44 and 89,309.13 is: 133,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,297.63 : 414,446.44 = 89,309.13 : x
  2. Step 2: Convert to fraction form
    276,297.63/414,446.44 = 89,309.13/x
  3. Step 3: Cross multiply
    276,297.63x = 414,446.44 × 89,309.13
  4. Step 4: Simplify right side
    276,297.63x = 37,013,848,692.49
  5. Step 5: Solve for x
    x = 37,013,848,692.49/276,297.63
  6. Step 6: Final answer
    x = 133,963.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.