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Finding the Fourth Proportional to 362,614.76, 500,379.11 and 209,662.86

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Solution

The fourth proportional to 362,614.76, 500,379.11 and 209,662.86 is: 289,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,614.76 : 500,379.11 = 209,662.86 : x
  2. Step 2: Convert to fraction form
    362,614.76/500,379.11 = 209,662.86/x
  3. Step 3: Cross multiply
    362,614.76x = 500,379.11 × 209,662.86
  4. Step 4: Simplify right side
    362,614.76x = 104,910,914,238.54
  5. Step 5: Solve for x
    x = 104,910,914,238.54/362,614.76
  6. Step 6: Final answer
    x = 289,317.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.