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Finding the Fourth Proportional to 226,772.80, 339,770.40 and 147,846.40

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Solution

The fourth proportional to 226,772.80, 339,770.40 and 147,846.40 is: 221,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,772.80 : 339,770.40 = 147,846.40 : x
  2. Step 2: Convert to fraction form
    226,772.80/339,770.40 = 147,846.40/x
  3. Step 3: Cross multiply
    226,772.80x = 339,770.40 × 147,846.40
  4. Step 4: Simplify right side
    226,772.80x = 50,233,830,466.56
  5. Step 5: Solve for x
    x = 50,233,830,466.56/226,772.80
  6. Step 6: Final answer
    x = 221,516.12

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1.5x scale

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.