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Finding the Fourth Proportional to 339,830.60, 468,978.24 and 186,880.44

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Solution

The fourth proportional to 339,830.60, 468,978.24 and 186,880.44 is: 257,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,830.60 : 468,978.24 = 186,880.44 : x
  2. Step 2: Convert to fraction form
    339,830.60/468,978.24 = 186,880.44/x
  3. Step 3: Cross multiply
    339,830.60x = 468,978.24 × 186,880.44
  4. Step 4: Simplify right side
    339,830.60x = 87,642,859,841.63
  5. Step 5: Solve for x
    x = 87,642,859,841.63/339,830.60
  6. Step 6: Final answer
    x = 257,901.61

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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.