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Finding the Fourth Proportional to 591,725.88, 816,382.26 and 336,896.64

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Solution

The fourth proportional to 591,725.88, 816,382.26 and 336,896.64 is: 464,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,725.88 : 816,382.26 = 336,896.64 : x
  2. Step 2: Convert to fraction form
    591,725.88/816,382.26 = 336,896.64/x
  3. Step 3: Cross multiply
    591,725.88x = 816,382.26 × 336,896.64
  4. Step 4: Simplify right side
    591,725.88x = 275,036,440,349.61
  5. Step 5: Solve for x
    x = 275,036,440,349.61/591,725.88
  6. Step 6: Final answer
    x = 464,803.80

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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.