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Finding the Fourth Proportional to 450,491.82, 675,737.73 and 207,308.36

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Solution

The fourth proportional to 450,491.82, 675,737.73 and 207,308.36 is: 310,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,491.82 : 675,737.73 = 207,308.36 : x
  2. Step 2: Convert to fraction form
    450,491.82/675,737.73 = 207,308.36/x
  3. Step 3: Cross multiply
    450,491.82x = 675,737.73 × 207,308.36
  4. Step 4: Simplify right side
    450,491.82x = 140,086,077,217.73
  5. Step 5: Solve for x
    x = 140,086,077,217.73/450,491.82
  6. Step 6: Final answer
    x = 310,962.53

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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.