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Finding the Fourth Proportional to 490,850.60, 735,524.47 and 330,332.66

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Solution

The fourth proportional to 490,850.60, 735,524.47 and 330,332.66 is: 494,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,850.60 : 735,524.47 = 330,332.66 : x
  2. Step 2: Convert to fraction form
    490,850.60/735,524.47 = 330,332.66/x
  3. Step 3: Cross multiply
    490,850.60x = 735,524.47 × 330,332.66
  4. Step 4: Simplify right side
    490,850.60x = 242,967,756,442.90
  5. Step 5: Solve for x
    x = 242,967,756,442.90/490,850.60
  6. Step 6: Final answer
    x = 494,993.30

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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.