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Finding the Fourth Proportional to 580,444.61, 800,986.60 and 322,337.91

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Solution

The fourth proportional to 580,444.61, 800,986.60 and 322,337.91 is: 444,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,444.61 : 800,986.60 = 322,337.91 : x
  2. Step 2: Convert to fraction form
    580,444.61/800,986.60 = 322,337.91/x
  3. Step 3: Cross multiply
    580,444.61x = 800,986.60 × 322,337.91
  4. Step 4: Simplify right side
    580,444.61x = 258,188,342,323.73
  5. Step 5: Solve for x
    x = 258,188,342,323.73/580,444.61
  6. Step 6: Final answer
    x = 444,811.34

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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.