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Finding the Fourth Proportional to 339,195.60, 508,793.40 and 300,704.40

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Solution

The fourth proportional to 339,195.60, 508,793.40 and 300,704.40 is: 451,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,195.60 : 508,793.40 = 300,704.40 : x
  2. Step 2: Convert to fraction form
    339,195.60/508,793.40 = 300,704.40/x
  3. Step 3: Cross multiply
    339,195.60x = 508,793.40 × 300,704.40
  4. Step 4: Simplify right side
    339,195.60x = 152,996,414,070.96
  5. Step 5: Solve for x
    x = 152,996,414,070.96/339,195.60
  6. Step 6: Final answer
    x = 451,056.60

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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.