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Finding the Fourth Proportional to 573,834.45, 792,043.61 and 404,144.85

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Solution

The fourth proportional to 573,834.45, 792,043.61 and 404,144.85 is: 557,826.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,834.45 : 792,043.61 = 404,144.85 : x
  2. Step 2: Convert to fraction form
    573,834.45/792,043.61 = 404,144.85/x
  3. Step 3: Cross multiply
    573,834.45x = 792,043.61 × 404,144.85
  4. Step 4: Simplify right side
    573,834.45x = 320,100,343,936.18
  5. Step 5: Solve for x
    x = 320,100,343,936.18/573,834.45
  6. Step 6: Final answer
    x = 557,826.99

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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.