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Finding the Fourth Proportional to 302,352.40, 453,091.20 and 133,734.70

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Solution

The fourth proportional to 302,352.40, 453,091.20 and 133,734.70 is: 200,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,352.40 : 453,091.20 = 133,734.70 : x
  2. Step 2: Convert to fraction form
    302,352.40/453,091.20 = 133,734.70/x
  3. Step 3: Cross multiply
    302,352.40x = 453,091.20 × 133,734.70
  4. Step 4: Simplify right side
    302,352.40x = 60,594,015,704.64
  5. Step 5: Solve for x
    x = 60,594,015,704.64/302,352.40
  6. Step 6: Final answer
    x = 200,408.58

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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.