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Finding the Fourth Proportional to 329,206.67, 493,842.89 and 89,324.38

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Solution

The fourth proportional to 329,206.67, 493,842.89 and 89,324.38 is: 133,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,206.67 : 493,842.89 = 89,324.38 : x
  2. Step 2: Convert to fraction form
    329,206.67/493,842.89 = 89,324.38/x
  3. Step 3: Cross multiply
    329,206.67x = 493,842.89 × 89,324.38
  4. Step 4: Simplify right side
    329,206.67x = 44,112,210,807.27
  5. Step 5: Solve for x
    x = 44,112,210,807.27/329,206.67
  6. Step 6: Final answer
    x = 133,995.50

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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.