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Finding the Fourth Proportional to 486,083.99, 670,833.54 and 268,335.33

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Solution

The fourth proportional to 486,083.99, 670,833.54 and 268,335.33 is: 370,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,083.99 : 670,833.54 = 268,335.33 : x
  2. Step 2: Convert to fraction form
    486,083.99/670,833.54 = 268,335.33/x
  3. Step 3: Cross multiply
    486,083.99x = 670,833.54 × 268,335.33
  4. Step 4: Simplify right side
    486,083.99x = 180,008,339,330.97
  5. Step 5: Solve for x
    x = 180,008,339,330.97/486,083.99
  6. Step 6: Final answer
    x = 370,323.53

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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.