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Finding the Fourth Proportional to 579,817.94, 800,147.22 and 325,174.58

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Solution

The fourth proportional to 579,817.94, 800,147.22 and 325,174.58 is: 448,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,817.94 : 800,147.22 = 325,174.58 : x
  2. Step 2: Convert to fraction form
    579,817.94/800,147.22 = 325,174.58/x
  3. Step 3: Cross multiply
    579,817.94x = 800,147.22 × 325,174.58
  4. Step 4: Simplify right side
    579,817.94x = 260,187,536,201.67
  5. Step 5: Solve for x
    x = 260,187,536,201.67/579,817.94
  6. Step 6: Final answer
    x = 448,740.06

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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.