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Finding the Fourth Proportional to 441,194.40, 662,125.32 and 323,172.54

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Solution

The fourth proportional to 441,194.40, 662,125.32 and 323,172.54 is: 485,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,194.40 : 662,125.32 = 323,172.54 : x
  2. Step 2: Convert to fraction form
    441,194.40/662,125.32 = 323,172.54/x
  3. Step 3: Cross multiply
    441,194.40x = 662,125.32 × 323,172.54
  4. Step 4: Simplify right side
    441,194.40x = 213,980,721,462.71
  5. Step 5: Solve for x
    x = 213,980,721,462.71/441,194.40
  6. Step 6: Final answer
    x = 485,003.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.