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Finding the Fourth Proportional to 362,504.96, 500,190.89 and 209,487.07

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Solution

The fourth proportional to 362,504.96, 500,190.89 and 209,487.07 is: 289,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,504.96 : 500,190.89 = 209,487.07 : x
  2. Step 2: Convert to fraction form
    362,504.96/500,190.89 = 209,487.07/x
  3. Step 3: Cross multiply
    362,504.96x = 500,190.89 × 209,487.07
  4. Step 4: Simplify right side
    362,504.96x = 104,783,523,986.79
  5. Step 5: Solve for x
    x = 104,783,523,986.79/362,504.96
  6. Step 6: Final answer
    x = 289,054.04

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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.