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Finding the Fourth Proportional to 589,912.69, 884,061.68 and 445,699.93

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Solution

The fourth proportional to 589,912.69, 884,061.68 and 445,699.93 is: 667,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,912.69 : 884,061.68 = 445,699.93 : x
  2. Step 2: Convert to fraction form
    589,912.69/884,061.68 = 445,699.93/x
  3. Step 3: Cross multiply
    589,912.69x = 884,061.68 × 445,699.93
  4. Step 4: Simplify right side
    589,912.69x = 394,026,228,891.68
  5. Step 5: Solve for x
    x = 394,026,228,891.68/589,912.69
  6. Step 6: Final answer
    x = 667,939.92

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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.