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Finding the Fourth Proportional to 339,689.96, 468,777.96 and 186,734.58

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Solution

The fourth proportional to 339,689.96, 468,777.96 and 186,734.58 is: 257,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,689.96 : 468,777.96 = 186,734.58 : x
  2. Step 2: Convert to fraction form
    339,689.96/468,777.96 = 186,734.58/x
  3. Step 3: Cross multiply
    339,689.96x = 468,777.96 × 186,734.58
  4. Step 4: Simplify right side
    339,689.96x = 87,537,055,473.86
  5. Step 5: Solve for x
    x = 87,537,055,473.86/339,689.96
  6. Step 6: Final answer
    x = 257,696.92

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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.