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Finding the Fourth Proportional to 510,913.20, 766,369.80 and 244,536.60

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Solution

The fourth proportional to 510,913.20, 766,369.80 and 244,536.60 is: 366,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,913.20 : 766,369.80 = 244,536.60 : x
  2. Step 2: Convert to fraction form
    510,913.20/766,369.80 = 244,536.60/x
  3. Step 3: Cross multiply
    510,913.20x = 766,369.80 × 244,536.60
  4. Step 4: Simplify right side
    510,913.20x = 187,405,465,234.68
  5. Step 5: Solve for x
    x = 187,405,465,234.68/510,913.20
  6. Step 6: Final answer
    x = 366,804.90

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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.