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Finding the Fourth Proportional to 407,628.43, 610,819.14 and 170,841.94

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Solution

The fourth proportional to 407,628.43, 610,819.14 and 170,841.94 is: 256,001.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,628.43 : 610,819.14 = 170,841.94 : x
  2. Step 2: Convert to fraction form
    407,628.43/610,819.14 = 170,841.94/x
  3. Step 3: Cross multiply
    407,628.43x = 610,819.14 × 170,841.94
  4. Step 4: Simplify right side
    407,628.43x = 104,353,526,866.73
  5. Step 5: Solve for x
    x = 104,353,526,866.73/407,628.43
  6. Step 6: Final answer
    x = 256,001.59

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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.