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Finding the Fourth Proportional to 618,020.15, 927,374.67 and 333,704.69

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Solution

The fourth proportional to 618,020.15, 927,374.67 and 333,704.69 is: 500,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,020.15 : 927,374.67 = 333,704.69 : x
  2. Step 2: Convert to fraction form
    618,020.15/927,374.67 = 333,704.69/x
  3. Step 3: Cross multiply
    618,020.15x = 927,374.67 × 333,704.69
  4. Step 4: Simplify right side
    618,020.15x = 309,469,272,129.33
  5. Step 5: Solve for x
    x = 309,469,272,129.33/618,020.15
  6. Step 6: Final answer
    x = 500,743.02

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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.