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Finding the Fourth Proportional to 227,638.80, 341,765.40 and 144,694.80

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Solution

The fourth proportional to 227,638.80, 341,765.40 and 144,694.80 is: 217,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,638.80 : 341,765.40 = 144,694.80 : x
  2. Step 2: Convert to fraction form
    227,638.80/341,765.40 = 144,694.80/x
  3. Step 3: Cross multiply
    227,638.80x = 341,765.40 × 144,694.80
  4. Step 4: Simplify right side
    227,638.80x = 49,451,676,199.92
  5. Step 5: Solve for x
    x = 49,451,676,199.92/227,638.80
  6. Step 6: Final answer
    x = 217,237.47

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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.