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Finding the Fourth Proportional to 580,399.58, 800,940.15 and 322,263.11

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Solution

The fourth proportional to 580,399.58, 800,940.15 and 322,263.11 is: 444,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,399.58 : 800,940.15 = 322,263.11 : x
  2. Step 2: Convert to fraction form
    580,399.58/800,940.15 = 322,263.11/x
  3. Step 3: Cross multiply
    580,399.58x = 800,940.15 × 322,263.11
  4. Step 4: Simplify right side
    580,399.58x = 258,113,461,159.93
  5. Step 5: Solve for x
    x = 258,113,461,159.93/580,399.58
  6. Step 6: Final answer
    x = 444,716.83

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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.