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Finding the Fourth Proportional to 297,883.28, 447,143.22 and 120,506.24

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Solution

The fourth proportional to 297,883.28, 447,143.22 and 120,506.24 is: 180,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,883.28 : 447,143.22 = 120,506.24 : x
  2. Step 2: Convert to fraction form
    297,883.28/447,143.22 = 120,506.24/x
  3. Step 3: Cross multiply
    297,883.28x = 447,143.22 × 120,506.24
  4. Step 4: Simplify right side
    297,883.28x = 53,883,548,183.69
  5. Step 5: Solve for x
    x = 53,883,548,183.69/297,883.28
  6. Step 6: Final answer
    x = 180,888.13

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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.