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Finding the Fourth Proportional to 605,891.46, 836,136.06 and 333,970

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Solution

The fourth proportional to 605,891.46, 836,136.06 and 333,970 is: 460,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,891.46 : 836,136.06 = 333,970 : x
  2. Step 2: Convert to fraction form
    605,891.46/836,136.06 = 333,970/x
  3. Step 3: Cross multiply
    605,891.46x = 836,136.06 × 333,970
  4. Step 4: Simplify right side
    605,891.46x = 279,244,359,958.20
  5. Step 5: Solve for x
    x = 279,244,359,958.20/605,891.46
  6. Step 6: Final answer
    x = 460,881.82

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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.