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Finding the Fourth Proportional to 512,946.91, 769,383.91 and 157,923.91

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Solution

The fourth proportional to 512,946.91, 769,383.91 and 157,923.91 is: 236,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,946.91 : 769,383.91 = 157,923.91 : x
  2. Step 2: Convert to fraction form
    512,946.91/769,383.91 = 157,923.91/x
  3. Step 3: Cross multiply
    512,946.91x = 769,383.91 × 157,923.91
  4. Step 4: Simplify right side
    512,946.91x = 121,504,115,358.29
  5. Step 5: Solve for x
    x = 121,504,115,358.29/512,946.91
  6. Step 6: Final answer
    x = 236,874.64

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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.