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Finding the Fourth Proportional to 683,480.44, 943,172.94 and 381,667.96

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Solution

The fourth proportional to 683,480.44, 943,172.94 and 381,667.96 is: 526,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,480.44 : 943,172.94 = 381,667.96 : x
  2. Step 2: Convert to fraction form
    683,480.44/943,172.94 = 381,667.96/x
  3. Step 3: Cross multiply
    683,480.44x = 943,172.94 × 381,667.96
  4. Step 4: Simplify right side
    683,480.44x = 359,978,891,937.00
  5. Step 5: Solve for x
    x = 359,978,891,937.00/683,480.44
  6. Step 6: Final answer
    x = 526,684.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.