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Finding the Fourth Proportional to 1,234,493.06, 1,850,743.08 and 1,134,847.87

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Solution

The fourth proportional to 1,234,493.06, 1,850,743.08 and 1,134,847.87 is: 1,701,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,493.06 : 1,850,743.08 = 1,134,847.87 : x
  2. Step 2: Convert to fraction form
    1,234,493.06/1,850,743.08 = 1,134,847.87/x
  3. Step 3: Cross multiply
    1,234,493.06x = 1,850,743.08 × 1,134,847.87
  4. Step 4: Simplify right side
    1,234,493.06x = 2,100,311,837,628.38
  5. Step 5: Solve for x
    x = 2,100,311,837,628.38/1,234,493.06
  6. Step 6: Final answer
    x = 1,701,355.73

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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.