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Finding the Fourth Proportional to 412,773.49, 619,307.73 and 250,996.68

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Solution

The fourth proportional to 412,773.49, 619,307.73 and 250,996.68 is: 376,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,773.49 : 619,307.73 = 250,996.68 : x
  2. Step 2: Convert to fraction form
    412,773.49/619,307.73 = 250,996.68/x
  3. Step 3: Cross multiply
    412,773.49x = 619,307.73 × 250,996.68
  4. Step 4: Simplify right side
    412,773.49x = 155,444,185,682.15
  5. Step 5: Solve for x
    x = 155,444,185,682.15/412,773.49
  6. Step 6: Final answer
    x = 376,584.71

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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.