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Finding the Fourth Proportional to 490,286.98, 735,652.26 and 250,276.90

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Solution

The fourth proportional to 490,286.98, 735,652.26 and 250,276.90 is: 375,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,286.98 : 735,652.26 = 250,276.90 : x
  2. Step 2: Convert to fraction form
    490,286.98/735,652.26 = 250,276.90/x
  3. Step 3: Cross multiply
    490,286.98x = 735,652.26 × 250,276.90
  4. Step 4: Simplify right side
    490,286.98x = 184,116,767,110.79
  5. Step 5: Solve for x
    x = 184,116,767,110.79/490,286.98
  6. Step 6: Final answer
    x = 375,528.57

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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.