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Finding the Fourth Proportional to 273,322.60, 409,983.90 and 179,933.80

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Solution

The fourth proportional to 273,322.60, 409,983.90 and 179,933.80 is: 269,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,322.60 : 409,983.90 = 179,933.80 : x
  2. Step 2: Convert to fraction form
    273,322.60/409,983.90 = 179,933.80/x
  3. Step 3: Cross multiply
    273,322.60x = 409,983.90 × 179,933.80
  4. Step 4: Simplify right side
    273,322.60x = 73,769,961,065.82
  5. Step 5: Solve for x
    x = 73,769,961,065.82/273,322.60
  6. Step 6: Final answer
    x = 269,900.70

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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.