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Finding the Fourth Proportional to 339,750.18, 468,855.55 and 186,790.98

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Solution

The fourth proportional to 339,750.18, 468,855.55 and 186,790.98 is: 257,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,750.18 : 468,855.55 = 186,790.98 : x
  2. Step 2: Convert to fraction form
    339,750.18/468,855.55 = 186,790.98/x
  3. Step 3: Cross multiply
    339,750.18x = 468,855.55 × 186,790.98
  4. Step 4: Simplify right side
    339,750.18x = 87,577,985,318.66
  5. Step 5: Solve for x
    x = 87,577,985,318.66/339,750.18
  6. Step 6: Final answer
    x = 257,771.71

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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.