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Finding the Fourth Proportional to 647,000.60, 970,500.90 and 367,064.60

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Solution

The fourth proportional to 647,000.60, 970,500.90 and 367,064.60 is: 550,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,000.60 : 970,500.90 = 367,064.60 : x
  2. Step 2: Convert to fraction form
    647,000.60/970,500.90 = 367,064.60/x
  3. Step 3: Cross multiply
    647,000.60x = 970,500.90 × 367,064.60
  4. Step 4: Simplify right side
    647,000.60x = 356,236,524,658.14
  5. Step 5: Solve for x
    x = 356,236,524,658.14/647,000.60
  6. Step 6: Final answer
    x = 550,596.90

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Similar ratio
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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.