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Finding the Fourth Proportional to 580,296.11, 800,866.13 and 325,648.31

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Solution

The fourth proportional to 580,296.11, 800,866.13 and 325,648.31 is: 449,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,296.11 : 800,866.13 = 325,648.31 : x
  2. Step 2: Convert to fraction form
    580,296.11/800,866.13 = 325,648.31/x
  3. Step 3: Cross multiply
    580,296.11x = 800,866.13 × 325,648.31
  4. Step 4: Simplify right side
    580,296.11x = 260,800,696,138.17
  5. Step 5: Solve for x
    x = 260,800,696,138.17/580,296.11
  6. Step 6: Final answer
    x = 449,426.93

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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.