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Finding the Fourth Proportional to 516,851.01, 775,234.60 and 326,756.97

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Solution

The fourth proportional to 516,851.01, 775,234.60 and 326,756.97 is: 490,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,851.01 : 775,234.60 = 326,756.97 : x
  2. Step 2: Convert to fraction form
    516,851.01/775,234.60 = 326,756.97/x
  3. Step 3: Cross multiply
    516,851.01x = 775,234.60 × 326,756.97
  4. Step 4: Simplify right side
    516,851.01x = 253,313,308,118.27
  5. Step 5: Solve for x
    x = 253,313,308,118.27/516,851.01
  6. Step 6: Final answer
    x = 490,108.95

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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.