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Finding the Fourth Proportional to 511,800.69, 767,799.45 and 196,232.99

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Solution

The fourth proportional to 511,800.69, 767,799.45 and 196,232.99 is: 294,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,800.69 : 767,799.45 = 196,232.99 : x
  2. Step 2: Convert to fraction form
    511,800.69/767,799.45 = 196,232.99/x
  3. Step 3: Cross multiply
    511,800.69x = 767,799.45 × 196,232.99
  4. Step 4: Simplify right side
    511,800.69x = 150,667,581,793.86
  5. Step 5: Solve for x
    x = 150,667,581,793.86/511,800.69
  6. Step 6: Final answer
    x = 294,387.22

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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.