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Finding the Fourth Proportional to 647,650.20, 970,163.10 and 366,839.40

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Solution

The fourth proportional to 647,650.20, 970,163.10 and 366,839.40 is: 549,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,650.20 : 970,163.10 = 366,839.40 : x
  2. Step 2: Convert to fraction form
    647,650.20/970,163.10 = 366,839.40/x
  3. Step 3: Cross multiply
    647,650.20x = 970,163.10 × 366,839.40
  4. Step 4: Simplify right side
    647,650.20x = 355,894,049,506.14
  5. Step 5: Solve for x
    x = 355,894,049,506.14/647,650.20
  6. Step 6: Final answer
    x = 549,515.85

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1.5x scale

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.