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Finding the Fourth Proportional to 303,438.60, 454,380.30 and 224,123.40

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Solution

The fourth proportional to 303,438.60, 454,380.30 and 224,123.40 is: 335,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,438.60 : 454,380.30 = 224,123.40 : x
  2. Step 2: Convert to fraction form
    303,438.60/454,380.30 = 224,123.40/x
  3. Step 3: Cross multiply
    303,438.60x = 454,380.30 × 224,123.40
  4. Step 4: Simplify right side
    303,438.60x = 101,837,257,729.02
  5. Step 5: Solve for x
    x = 101,837,257,729.02/303,438.60
  6. Step 6: Final answer
    x = 335,610.76

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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.