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Finding the Fourth Proportional to 339,840.02, 468,978.54 and 194,692.79

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Solution

The fourth proportional to 339,840.02, 468,978.54 and 194,692.79 is: 268,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,840.02 : 468,978.54 = 194,692.79 : x
  2. Step 2: Convert to fraction form
    339,840.02/468,978.54 = 194,692.79/x
  3. Step 3: Cross multiply
    339,840.02x = 468,978.54 × 194,692.79
  4. Step 4: Simplify right side
    339,840.02x = 91,306,738,057.83
  5. Step 5: Solve for x
    x = 91,306,738,057.83/339,840.02
  6. Step 6: Final answer
    x = 268,675.65

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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.