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Finding the Fourth Proportional to 1,178,768.44, 1,768,165 and 943,606

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Solution

The fourth proportional to 1,178,768.44, 1,768,165 and 943,606 is: 1,415,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,768.44 : 1,768,165 = 943,606 : x
  2. Step 2: Convert to fraction form
    1,178,768.44/1,768,165 = 943,606/x
  3. Step 3: Cross multiply
    1,178,768.44x = 1,768,165 × 943,606
  4. Step 4: Simplify right side
    1,178,768.44x = 1,668,451,102,990
  5. Step 5: Solve for x
    x = 1,668,451,102,990/1,178,768.44
  6. Step 6: Final answer
    x = 1,415,418.88

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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.