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Finding the Fourth Proportional to 591,861.88, 816,849.38 and 333,791.90

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Solution

The fourth proportional to 591,861.88, 816,849.38 and 333,791.90 is: 460,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,861.88 : 816,849.38 = 333,791.90 : x
  2. Step 2: Convert to fraction form
    591,861.88/816,849.38 = 333,791.90/x
  3. Step 3: Cross multiply
    591,861.88x = 816,849.38 × 333,791.90
  4. Step 4: Simplify right side
    591,861.88x = 272,657,703,314.26
  5. Step 5: Solve for x
    x = 272,657,703,314.26/591,861.88
  6. Step 6: Final answer
    x = 460,677.93

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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.