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Finding the Fourth Proportional to 301,099.20, 451,648.80 and 252,110.40

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Solution

The fourth proportional to 301,099.20, 451,648.80 and 252,110.40 is: 378,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,099.20 : 451,648.80 = 252,110.40 : x
  2. Step 2: Convert to fraction form
    301,099.20/451,648.80 = 252,110.40/x
  3. Step 3: Cross multiply
    301,099.20x = 451,648.80 × 252,110.40
  4. Step 4: Simplify right side
    301,099.20x = 113,865,359,627.52
  5. Step 5: Solve for x
    x = 113,865,359,627.52/301,099.20
  6. Step 6: Final answer
    x = 378,165.60

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1.5x scale

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.