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Finding the Fourth Proportional to 227,772.20, 341,658.30 and 214,869.80

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Solution

The fourth proportional to 227,772.20, 341,658.30 and 214,869.80 is: 322,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,772.20 : 341,658.30 = 214,869.80 : x
  2. Step 2: Convert to fraction form
    227,772.20/341,658.30 = 214,869.80/x
  3. Step 3: Cross multiply
    227,772.20x = 341,658.30 × 214,869.80
  4. Step 4: Simplify right side
    227,772.20x = 73,412,050,589.34
  5. Step 5: Solve for x
    x = 73,412,050,589.34/227,772.20
  6. Step 6: Final answer
    x = 322,304.70

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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.