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Finding the Fourth Proportional to 451,093.20, 676,812.60 and 444,008.40

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Solution

The fourth proportional to 451,093.20, 676,812.60 and 444,008.40 is: 666,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,093.20 : 676,812.60 = 444,008.40 : x
  2. Step 2: Convert to fraction form
    451,093.20/676,812.60 = 444,008.40/x
  3. Step 3: Cross multiply
    451,093.20x = 676,812.60 × 444,008.40
  4. Step 4: Simplify right side
    451,093.20x = 300,510,479,625.84
  5. Step 5: Solve for x
    x = 300,510,479,625.84/451,093.20
  6. Step 6: Final answer
    x = 666,182.69

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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.