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Finding the Fourth Proportional to 226,380.60, 339,570.90 and 147,648.60

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Solution

The fourth proportional to 226,380.60, 339,570.90 and 147,648.60 is: 221,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,380.60 : 339,570.90 = 147,648.60 : x
  2. Step 2: Convert to fraction form
    226,380.60/339,570.90 = 147,648.60/x
  3. Step 3: Cross multiply
    226,380.60x = 339,570.90 × 147,648.60
  4. Step 4: Simplify right side
    226,380.60x = 50,137,167,985.74
  5. Step 5: Solve for x
    x = 50,137,167,985.74/226,380.60
  6. Step 6: Final answer
    x = 221,472.90

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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.