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Finding the Fourth Proportional to 578,490.24, 798,310.44 and 323,843.52

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Solution

The fourth proportional to 578,490.24, 798,310.44 and 323,843.52 is: 446,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,490.24 : 798,310.44 = 323,843.52 : x
  2. Step 2: Convert to fraction form
    578,490.24/798,310.44 = 323,843.52/x
  3. Step 3: Cross multiply
    578,490.24x = 798,310.44 × 323,843.52
  4. Step 4: Simplify right side
    578,490.24x = 258,527,662,942.35
  5. Step 5: Solve for x
    x = 258,527,662,942.35/578,490.24
  6. Step 6: Final answer
    x = 446,900.65

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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.