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Finding the Fourth Proportional to 682,908.93, 942,466.46 and 377,044.20

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Solution

The fourth proportional to 682,908.93, 942,466.46 and 377,044.20 is: 520,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,908.93 : 942,466.46 = 377,044.20 : x
  2. Step 2: Convert to fraction form
    682,908.93/942,466.46 = 377,044.20/x
  3. Step 3: Cross multiply
    682,908.93x = 942,466.46 × 377,044.20
  4. Step 4: Simplify right side
    682,908.93x = 355,351,510,552.31
  5. Step 5: Solve for x
    x = 355,351,510,552.31/682,908.93
  6. Step 6: Final answer
    x = 520,349.78

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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.