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Finding the Fourth Proportional to 303,833.40, 419,300.46 and 190,718.52

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Solution

The fourth proportional to 303,833.40, 419,300.46 and 190,718.52 is: 263,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,833.40 : 419,300.46 = 190,718.52 : x
  2. Step 2: Convert to fraction form
    303,833.40/419,300.46 = 190,718.52/x
  3. Step 3: Cross multiply
    303,833.40x = 419,300.46 × 190,718.52
  4. Step 4: Simplify right side
    303,833.40x = 79,968,363,166.52
  5. Step 5: Solve for x
    x = 79,968,363,166.52/303,833.40
  6. Step 6: Final answer
    x = 263,198.07

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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.