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Finding the Fourth Proportional to 490,634.10, 735,951.15 and 341,334.90

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Solution

The fourth proportional to 490,634.10, 735,951.15 and 341,334.90 is: 512,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,634.10 : 735,951.15 = 341,334.90 : x
  2. Step 2: Convert to fraction form
    490,634.10/735,951.15 = 341,334.90/x
  3. Step 3: Cross multiply
    490,634.10x = 735,951.15 × 341,334.90
  4. Step 4: Simplify right side
    490,634.10x = 251,205,812,190.14
  5. Step 5: Solve for x
    x = 251,205,812,190.14/490,634.10
  6. Step 6: Final answer
    x = 512,002.35

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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.