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Finding the Fourth Proportional to 606,244.64, 836,270.40 and 379,496.48

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Solution

The fourth proportional to 606,244.64, 836,270.40 and 379,496.48 is: 523,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,244.64 : 836,270.40 = 379,496.48 : x
  2. Step 2: Convert to fraction form
    606,244.64/836,270.40 = 379,496.48/x
  3. Step 3: Cross multiply
    606,244.64x = 836,270.40 × 379,496.48
  4. Step 4: Simplify right side
    606,244.64x = 317,361,673,128.19
  5. Step 5: Solve for x
    x = 317,361,673,128.19/606,244.64
  6. Step 6: Final answer
    x = 523,487.80

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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.