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Finding the Fourth Proportional to 307,376.91, 461,222.19 and 207,327.29

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Solution

The fourth proportional to 307,376.91, 461,222.19 and 207,327.29 is: 311,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,376.91 : 461,222.19 = 207,327.29 : x
  2. Step 2: Convert to fraction form
    307,376.91/461,222.19 = 207,327.29/x
  3. Step 3: Cross multiply
    307,376.91x = 461,222.19 × 207,327.29
  4. Step 4: Simplify right side
    307,376.91x = 95,623,944,434.45
  5. Step 5: Solve for x
    x = 95,623,944,434.45/307,376.91
  6. Step 6: Final answer
    x = 311,096.71

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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.