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Finding the Fourth Proportional to 591,817.97, 816,512.85 and 333,662.60

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Solution

The fourth proportional to 591,817.97, 816,512.85 and 333,662.60 is: 460,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,817.97 : 816,512.85 = 333,662.60 : x
  2. Step 2: Convert to fraction form
    591,817.97/816,512.85 = 333,662.60/x
  3. Step 3: Cross multiply
    591,817.97x = 816,512.85 × 333,662.60
  4. Step 4: Simplify right side
    591,817.97x = 272,439,796,381.85
  5. Step 5: Solve for x
    x = 272,439,796,381.85/591,817.97
  6. Step 6: Final answer
    x = 460,343.91

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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.