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Finding the Fourth Proportional to 543,235.44, 814,896.72 and 206,437.44

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Solution

The fourth proportional to 543,235.44, 814,896.72 and 206,437.44 is: 309,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,235.44 : 814,896.72 = 206,437.44 : x
  2. Step 2: Convert to fraction form
    543,235.44/814,896.72 = 206,437.44/x
  3. Step 3: Cross multiply
    543,235.44x = 814,896.72 × 206,437.44
  4. Step 4: Simplify right side
    543,235.44x = 168,225,192,741.20
  5. Step 5: Solve for x
    x = 168,225,192,741.20/543,235.44
  6. Step 6: Final answer
    x = 309,672.71

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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.