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Finding the Fourth Proportional to 273,315.10, 409,972.65 and 179,926.30

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Solution

The fourth proportional to 273,315.10, 409,972.65 and 179,926.30 is: 269,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,315.10 : 409,972.65 = 179,926.30 : x
  2. Step 2: Convert to fraction form
    273,315.10/409,972.65 = 179,926.30/x
  3. Step 3: Cross multiply
    273,315.10x = 409,972.65 × 179,926.30
  4. Step 4: Simplify right side
    273,315.10x = 73,764,862,015.70
  5. Step 5: Solve for x
    x = 73,764,862,015.70/273,315.10
  6. Step 6: Final answer
    x = 269,889.45

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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.