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Finding the Fourth Proportional to 404,842.89, 607,229.06 and 164,981.96

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Solution

The fourth proportional to 404,842.89, 607,229.06 and 164,981.96 is: 247,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,842.89 : 607,229.06 = 164,981.96 : x
  2. Step 2: Convert to fraction form
    404,842.89/607,229.06 = 164,981.96/x
  3. Step 3: Cross multiply
    404,842.89x = 607,229.06 × 164,981.96
  4. Step 4: Simplify right side
    404,842.89x = 100,181,840,487.76
  5. Step 5: Solve for x
    x = 100,181,840,487.76/404,842.89
  6. Step 6: Final answer
    x = 247,458.56

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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.