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Finding the Fourth Proportional to 407,627.43, 610,817.64 and 170,840.94

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Solution

The fourth proportional to 407,627.43, 610,817.64 and 170,840.94 is: 256,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,627.43 : 610,817.64 = 170,840.94 : x
  2. Step 2: Convert to fraction form
    407,627.43/610,817.64 = 170,840.94/x
  3. Step 3: Cross multiply
    407,627.43x = 610,817.64 × 170,840.94
  4. Step 4: Simplify right side
    407,627.43x = 104,352,659,786.18
  5. Step 5: Solve for x
    x = 104,352,659,786.18/407,627.43
  6. Step 6: Final answer
    x = 256,000.09

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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.