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Finding the Fourth Proportional to 339,801.80, 468,938.52 and 186,851.66

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Solution

The fourth proportional to 339,801.80, 468,938.52 and 186,851.66 is: 257,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,801.80 : 468,938.52 = 186,851.66 : x
  2. Step 2: Convert to fraction form
    339,801.80/468,938.52 = 186,851.66/x
  3. Step 3: Cross multiply
    339,801.80x = 468,938.52 × 186,851.66
  4. Step 4: Simplify right side
    339,801.80x = 87,621,940,899.94
  5. Step 5: Solve for x
    x = 87,621,940,899.94/339,801.80
  6. Step 6: Final answer
    x = 257,861.91

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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.