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Finding the Fourth Proportional to 273,222.40, 409,833.60 and 271,472.80

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Solution

The fourth proportional to 273,222.40, 409,833.60 and 271,472.80 is: 407,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,222.40 : 409,833.60 = 271,472.80 : x
  2. Step 2: Convert to fraction form
    273,222.40/409,833.60 = 271,472.80/x
  3. Step 3: Cross multiply
    273,222.40x = 409,833.60 × 271,472.80
  4. Step 4: Simplify right side
    273,222.40x = 111,258,674,926.08
  5. Step 5: Solve for x
    x = 111,258,674,926.08/273,222.40
  6. Step 6: Final answer
    x = 407,209.20

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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.