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Finding the Fourth Proportional to 337,015.77, 505,534.03 and 147,378.52

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Solution

The fourth proportional to 337,015.77, 505,534.03 and 147,378.52 is: 221,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,015.77 : 505,534.03 = 147,378.52 : x
  2. Step 2: Convert to fraction form
    337,015.77/505,534.03 = 147,378.52/x
  3. Step 3: Cross multiply
    337,015.77x = 505,534.03 × 147,378.52
  4. Step 4: Simplify right side
    337,015.77x = 74,504,856,846.43
  5. Step 5: Solve for x
    x = 74,504,856,846.43/337,015.77
  6. Step 6: Final answer
    x = 221,072.32

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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.