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Finding the Fourth Proportional to 362,091.62, 499,570.83 and 209,109.60

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Solution

The fourth proportional to 362,091.62, 499,570.83 and 209,109.60 is: 288,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,091.62 : 499,570.83 = 209,109.60 : x
  2. Step 2: Convert to fraction form
    362,091.62/499,570.83 = 209,109.60/x
  3. Step 3: Cross multiply
    362,091.62x = 499,570.83 × 209,109.60
  4. Step 4: Simplify right side
    362,091.62x = 104,465,056,432.97
  5. Step 5: Solve for x
    x = 104,465,056,432.97/362,091.62
  6. Step 6: Final answer
    x = 288,504.49

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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.