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Finding the Fourth Proportional to 450,984.66, 675,889.47 and 251,296.98

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Solution

The fourth proportional to 450,984.66, 675,889.47 and 251,296.98 is: 376,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,984.66 : 675,889.47 = 251,296.98 : x
  2. Step 2: Convert to fraction form
    450,984.66/675,889.47 = 251,296.98/x
  3. Step 3: Cross multiply
    450,984.66x = 675,889.47 × 251,296.98
  4. Step 4: Simplify right side
    450,984.66x = 169,848,982,624.80
  5. Step 5: Solve for x
    x = 169,848,982,624.80/450,984.66
  6. Step 6: Final answer
    x = 376,618.09

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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.