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Finding the Fourth Proportional to 630,151.46, 945,350.22 and 203,793.20

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Solution

The fourth proportional to 630,151.46, 945,350.22 and 203,793.20 is: 305,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,151.46 : 945,350.22 = 203,793.20 : x
  2. Step 2: Convert to fraction form
    630,151.46/945,350.22 = 203,793.20/x
  3. Step 3: Cross multiply
    630,151.46x = 945,350.22 × 203,793.20
  4. Step 4: Simplify right side
    630,151.46x = 192,655,946,454.50
  5. Step 5: Solve for x
    x = 192,655,946,454.50/630,151.46
  6. Step 6: Final answer
    x = 305,729.59

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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.