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Finding the Fourth Proportional to 339,886.92, 469,044.23 and 186,927.54

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Solution

The fourth proportional to 339,886.92, 469,044.23 and 186,927.54 is: 257,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,886.92 : 469,044.23 = 186,927.54 : x
  2. Step 2: Convert to fraction form
    339,886.92/469,044.23 = 186,927.54/x
  3. Step 3: Cross multiply
    339,886.92x = 469,044.23 × 186,927.54
  4. Step 4: Simplify right side
    339,886.92x = 87,677,284,065.09
  5. Step 5: Solve for x
    x = 87,677,284,065.09/339,886.92
  6. Step 6: Final answer
    x = 257,960.16

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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.