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Finding the Fourth Proportional to 407,034.09, 610,580.29 and 107,511.68

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Solution

The fourth proportional to 407,034.09, 610,580.29 and 107,511.68 is: 161,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,034.09 : 610,580.29 = 107,511.68 : x
  2. Step 2: Convert to fraction form
    407,034.09/610,580.29 = 107,511.68/x
  3. Step 3: Cross multiply
    407,034.09x = 610,580.29 × 107,511.68
  4. Step 4: Simplify right side
    407,034.09x = 65,644,512,752.79
  5. Step 5: Solve for x
    x = 65,644,512,752.79/407,034.09
  6. Step 6: Final answer
    x = 161,275.22

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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.