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Finding the Fourth Proportional to 543,454.56, 814,919.58 and 227,826.72

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Solution

The fourth proportional to 543,454.56, 814,919.58 and 227,826.72 is: 341,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,454.56 : 814,919.58 = 227,826.72 : x
  2. Step 2: Convert to fraction form
    543,454.56/814,919.58 = 227,826.72/x
  3. Step 3: Cross multiply
    543,454.56x = 814,919.58 × 227,826.72
  4. Step 4: Simplify right side
    543,454.56x = 185,660,454,975.18
  5. Step 5: Solve for x
    x = 185,660,454,975.18/543,454.56
  6. Step 6: Final answer
    x = 341,630.14

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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.