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Finding the Fourth Proportional to 447,735.38, 617,885.89 and 243,797.47

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Solution

The fourth proportional to 447,735.38, 617,885.89 and 243,797.47 is: 336,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,735.38 : 617,885.89 = 243,797.47 : x
  2. Step 2: Convert to fraction form
    447,735.38/617,885.89 = 243,797.47/x
  3. Step 3: Cross multiply
    447,735.38x = 617,885.89 × 243,797.47
  4. Step 4: Simplify right side
    447,735.38x = 150,639,014,576.49
  5. Step 5: Solve for x
    x = 150,639,014,576.49/447,735.38
  6. Step 6: Final answer
    x = 336,446.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.