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Finding the Fourth Proportional to 339,365.10, 468,324.80 and 188,462.10

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Solution

The fourth proportional to 339,365.10, 468,324.80 and 188,462.10 is: 260,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,365.10 : 468,324.80 = 188,462.10 : x
  2. Step 2: Convert to fraction form
    339,365.10/468,324.80 = 188,462.10/x
  3. Step 3: Cross multiply
    339,365.10x = 468,324.80 × 188,462.10
  4. Step 4: Simplify right side
    339,365.10x = 88,261,475,290.08
  5. Step 5: Solve for x
    x = 88,261,475,290.08/339,365.10
  6. Step 6: Final answer
    x = 260,078.23

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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.