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Finding the Fourth Proportional to 605,908.96, 836,116.62 and 333,979

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Solution

The fourth proportional to 605,908.96, 836,116.62 and 333,979 is: 460,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,908.96 : 836,116.62 = 333,979 : x
  2. Step 2: Convert to fraction form
    605,908.96/836,116.62 = 333,979/x
  3. Step 3: Cross multiply
    605,908.96x = 836,116.62 × 333,979
  4. Step 4: Simplify right side
    605,908.96x = 279,245,392,630.98
  5. Step 5: Solve for x
    x = 279,245,392,630.98/605,908.96
  6. Step 6: Final answer
    x = 460,870.21

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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.