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Finding the Fourth Proportional to 339,780.93, 468,887.77 and 186,818.96

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Solution

The fourth proportional to 339,780.93, 468,887.77 and 186,818.96 is: 257,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,780.93 : 468,887.77 = 186,818.96 : x
  2. Step 2: Convert to fraction form
    339,780.93/468,887.77 = 186,818.96/x
  3. Step 3: Cross multiply
    339,780.93x = 468,887.77 × 186,818.96
  4. Step 4: Simplify right side
    339,780.93x = 87,597,124,614.02
  5. Step 5: Solve for x
    x = 87,597,124,614.02/339,780.93
  6. Step 6: Final answer
    x = 257,804.71

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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.