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Finding the Fourth Proportional to 339,379.95, 468,323.61 and 186,388.35

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Solution

The fourth proportional to 339,379.95, 468,323.61 and 186,388.35 is: 257,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,379.95 : 468,323.61 = 186,388.35 : x
  2. Step 2: Convert to fraction form
    339,379.95/468,323.61 = 186,388.35/x
  3. Step 3: Cross multiply
    339,379.95x = 468,323.61 × 186,388.35
  4. Step 4: Simplify right side
    339,379.95x = 87,290,064,933.94
  5. Step 5: Solve for x
    x = 87,290,064,933.94/339,379.95
  6. Step 6: Final answer
    x = 257,204.54

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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.