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Finding the Fourth Proportional to 303,292.38, 454,992.11 and 103,565.97

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Solution

The fourth proportional to 303,292.38, 454,992.11 and 103,565.97 is: 155,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,292.38 : 454,992.11 = 103,565.97 : x
  2. Step 2: Convert to fraction form
    303,292.38/454,992.11 = 103,565.97/x
  3. Step 3: Cross multiply
    303,292.38x = 454,992.11 × 103,565.97
  4. Step 4: Simplify right side
    303,292.38x = 47,121,698,696.67
  5. Step 5: Solve for x
    x = 47,121,698,696.67/303,292.38
  6. Step 6: Final answer
    x = 155,367.24

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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.