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Finding the Fourth Proportional to 303,293.38, 454,993.61 and 103,566.97

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Solution

The fourth proportional to 303,293.38, 454,993.61 and 103,566.97 is: 155,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,293.38 : 454,993.61 = 103,566.97 : x
  2. Step 2: Convert to fraction form
    303,293.38/454,993.61 = 103,566.97/x
  3. Step 3: Cross multiply
    303,293.38x = 454,993.61 × 103,566.97
  4. Step 4: Simplify right side
    303,293.38x = 47,122,309,557.06
  5. Step 5: Solve for x
    x = 47,122,309,557.06/303,293.38
  6. Step 6: Final answer
    x = 155,368.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.