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Finding the Fourth Proportional to 479,144.45, 719,184.11 and 395,754.14

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Solution

The fourth proportional to 479,144.45, 719,184.11 and 395,754.14 is: 594,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,144.45 : 719,184.11 = 395,754.14 : x
  2. Step 2: Convert to fraction form
    479,144.45/719,184.11 = 395,754.14/x
  3. Step 3: Cross multiply
    479,144.45x = 719,184.11 × 395,754.14
  4. Step 4: Simplify right side
    479,144.45x = 284,620,083,380.02
  5. Step 5: Solve for x
    x = 284,620,083,380.02/479,144.45
  6. Step 6: Final answer
    x = 594,017.29

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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.