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Finding the Fourth Proportional to 447,793.75, 617,946.51 and 243,847.09

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Solution

The fourth proportional to 447,793.75, 617,946.51 and 243,847.09 is: 336,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,793.75 : 617,946.51 = 243,847.09 : x
  2. Step 2: Convert to fraction form
    447,793.75/617,946.51 = 243,847.09/x
  3. Step 3: Cross multiply
    447,793.75x = 617,946.51 × 243,847.09
  4. Step 4: Simplify right side
    447,793.75x = 150,684,458,239.16
  5. Step 5: Solve for x
    x = 150,684,458,239.16/447,793.75
  6. Step 6: Final answer
    x = 336,504.16

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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.