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Finding the Fourth Proportional to 339,772.43, 468,886.24 and 186,813.24

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Solution

The fourth proportional to 339,772.43, 468,886.24 and 186,813.24 is: 257,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,772.43 : 468,886.24 = 186,813.24 : x
  2. Step 2: Convert to fraction form
    339,772.43/468,886.24 = 186,813.24/x
  3. Step 3: Cross multiply
    339,772.43x = 468,886.24 × 186,813.24
  4. Step 4: Simplify right side
    339,772.43x = 87,594,157,685.82
  5. Step 5: Solve for x
    x = 87,594,157,685.82/339,772.43
  6. Step 6: Final answer
    x = 257,802.43

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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.