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Finding the Fourth Proportional to 682,208.91, 941,452.74 and 376,293.56

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Solution

The fourth proportional to 682,208.91, 941,452.74 and 376,293.56 is: 519,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,208.91 : 941,452.74 = 376,293.56 : x
  2. Step 2: Convert to fraction form
    682,208.91/941,452.74 = 376,293.56/x
  3. Step 3: Cross multiply
    682,208.91x = 941,452.74 × 376,293.56
  4. Step 4: Simplify right side
    682,208.91x = 354,262,598,399.09
  5. Step 5: Solve for x
    x = 354,262,598,399.09/682,208.91
  6. Step 6: Final answer
    x = 519,287.56

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1.5x scale

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.