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Finding the Fourth Proportional to 407,761.02, 562,722.39 and 246,645.54

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Solution

The fourth proportional to 407,761.02, 562,722.39 and 246,645.54 is: 340,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,761.02 : 562,722.39 = 246,645.54 : x
  2. Step 2: Convert to fraction form
    407,761.02/562,722.39 = 246,645.54/x
  3. Step 3: Cross multiply
    407,761.02x = 562,722.39 × 246,645.54
  4. Step 4: Simplify right side
    407,761.02x = 138,792,967,751.64
  5. Step 5: Solve for x
    x = 138,792,967,751.64/407,761.02
  6. Step 6: Final answer
    x = 340,378.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.