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Finding the Fourth Proportional to 303,692.08, 419,098.20 and 167,729.40

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Solution

The fourth proportional to 303,692.08, 419,098.20 and 167,729.40 is: 231,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,692.08 : 419,098.20 = 167,729.40 : x
  2. Step 2: Convert to fraction form
    303,692.08/419,098.20 = 167,729.40/x
  3. Step 3: Cross multiply
    303,692.08x = 419,098.20 × 167,729.40
  4. Step 4: Simplify right side
    303,692.08x = 70,295,089,627.08
  5. Step 5: Solve for x
    x = 70,295,089,627.08/303,692.08
  6. Step 6: Final answer
    x = 231,468.30

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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.