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Finding the Fourth Proportional to 490,593.60, 735,914.70 and 254,397.60

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Solution

The fourth proportional to 490,593.60, 735,914.70 and 254,397.60 is: 381,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,593.60 : 735,914.70 = 254,397.60 : x
  2. Step 2: Convert to fraction form
    490,593.60/735,914.70 = 254,397.60/x
  3. Step 3: Cross multiply
    490,593.60x = 735,914.70 × 254,397.60
  4. Step 4: Simplify right side
    490,593.60x = 187,214,933,484.72
  5. Step 5: Solve for x
    x = 187,214,933,484.72/490,593.60
  6. Step 6: Final answer
    x = 381,609.00

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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.