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Finding the Fourth Proportional to 809,499.74, 1,134,958.51 and 809,499.74

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Solution

The fourth proportional to 809,499.74, 1,134,958.51 and 809,499.74 is: 1,134,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,499.74 : 1,134,958.51 = 809,499.74 : x
  2. Step 2: Convert to fraction form
    809,499.74/1,134,958.51 = 809,499.74/x
  3. Step 3: Cross multiply
    809,499.74x = 1,134,958.51 × 809,499.74
  4. Step 4: Simplify right side
    809,499.74x = 918,748,617,942.14
  5. Step 5: Solve for x
    x = 918,748,617,942.14/809,499.74
  6. Step 6: Final answer
    x = 1,134,958.51

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.