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Finding the Fourth Proportional to 379,014.80, 567,773.40 and 192,160.40

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Solution

The fourth proportional to 379,014.80, 567,773.40 and 192,160.40 is: 287,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,014.80 : 567,773.40 = 192,160.40 : x
  2. Step 2: Convert to fraction form
    379,014.80/567,773.40 = 192,160.40/x
  3. Step 3: Cross multiply
    379,014.80x = 567,773.40 × 192,160.40
  4. Step 4: Simplify right side
    379,014.80x = 109,103,563,653.36
  5. Step 5: Solve for x
    x = 109,103,563,653.36/379,014.80
  6. Step 6: Final answer
    x = 287,860.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.