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Finding the Fourth Proportional to 606,141.86, 836,133.26 and 379,393.70

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Solution

The fourth proportional to 606,141.86, 836,133.26 and 379,393.70 is: 523,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,141.86 : 836,133.26 = 379,393.70 : x
  2. Step 2: Convert to fraction form
    606,141.86/836,133.26 = 379,393.70/x
  3. Step 3: Cross multiply
    606,141.86x = 836,133.26 × 379,393.70
  4. Step 4: Simplify right side
    606,141.86x = 317,223,691,204.46
  5. Step 5: Solve for x
    x = 317,223,691,204.46/606,141.86
  6. Step 6: Final answer
    x = 523,348.93

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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.