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Finding the Fourth Proportional to 392,052.60, 587,204.10 and 302,604.30

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Solution

The fourth proportional to 392,052.60, 587,204.10 and 302,604.30 is: 453,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,052.60 : 587,204.10 = 302,604.30 : x
  2. Step 2: Convert to fraction form
    392,052.60/587,204.10 = 302,604.30/x
  3. Step 3: Cross multiply
    392,052.60x = 587,204.10 × 302,604.30
  4. Step 4: Simplify right side
    392,052.60x = 177,690,485,637.63
  5. Step 5: Solve for x
    x = 177,690,485,637.63/392,052.60
  6. Step 6: Final answer
    x = 453,231.24

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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.