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Finding the Fourth Proportional to 503,998.44, 756,145.31 and 149,021.70

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Solution

The fourth proportional to 503,998.44, 756,145.31 and 149,021.70 is: 223,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,998.44 : 756,145.31 = 149,021.70 : x
  2. Step 2: Convert to fraction form
    503,998.44/756,145.31 = 149,021.70/x
  3. Step 3: Cross multiply
    503,998.44x = 756,145.31 × 149,021.70
  4. Step 4: Simplify right side
    503,998.44x = 112,682,059,543.23
  5. Step 5: Solve for x
    x = 112,682,059,543.23/503,998.44
  6. Step 6: Final answer
    x = 223,576.21

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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.