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Finding the Fourth Proportional to 450,768.37, 675,155.94 and 308,275.96

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Solution

The fourth proportional to 450,768.37, 675,155.94 and 308,275.96 is: 461,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,768.37 : 675,155.94 = 308,275.96 : x
  2. Step 2: Convert to fraction form
    450,768.37/675,155.94 = 308,275.96/x
  3. Step 3: Cross multiply
    450,768.37x = 675,155.94 × 308,275.96
  4. Step 4: Simplify right side
    450,768.37x = 208,134,345,553.20
  5. Step 5: Solve for x
    x = 208,134,345,553.20/450,768.37
  6. Step 6: Final answer
    x = 461,732.37

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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.