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Finding the Fourth Proportional to 750,994.71, 1,119,793.06 and 667,538.79

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Solution

The fourth proportional to 750,994.71, 1,119,793.06 and 667,538.79 is: 995,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,994.71 : 1,119,793.06 = 667,538.79 : x
  2. Step 2: Convert to fraction form
    750,994.71/1,119,793.06 = 667,538.79/x
  3. Step 3: Cross multiply
    750,994.71x = 1,119,793.06 × 667,538.79
  4. Step 4: Simplify right side
    750,994.71x = 747,505,302,653.95
  5. Step 5: Solve for x
    x = 747,505,302,653.95/750,994.71
  6. Step 6: Final answer
    x = 995,353.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.