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Finding the Fourth Proportional to 605,960.88, 836,190.59 and 347,778.24

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Solution

The fourth proportional to 605,960.88, 836,190.59 and 347,778.24 is: 479,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,960.88 : 836,190.59 = 347,778.24 : x
  2. Step 2: Convert to fraction form
    605,960.88/836,190.59 = 347,778.24/x
  3. Step 3: Cross multiply
    605,960.88x = 836,190.59 × 347,778.24
  4. Step 4: Simplify right side
    605,960.88x = 290,808,889,955.87
  5. Step 5: Solve for x
    x = 290,808,889,955.87/605,960.88
  6. Step 6: Final answer
    x = 479,913.64

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Double scale
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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.