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Finding the Fourth Proportional to 339,693.19, 468,782.43 and 186,737.83

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Solution

The fourth proportional to 339,693.19, 468,782.43 and 186,737.83 is: 257,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,693.19 : 468,782.43 = 186,737.83 : x
  2. Step 2: Convert to fraction form
    339,693.19/468,782.43 = 186,737.83/x
  3. Step 3: Cross multiply
    339,693.19x = 468,782.43 × 186,737.83
  4. Step 4: Simplify right side
    339,693.19x = 87,539,413,720.33
  5. Step 5: Solve for x
    x = 87,539,413,720.33/339,693.19
  6. Step 6: Final answer
    x = 257,701.41

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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.