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Finding the Fourth Proportional to 358,273.94, 494,212.68 and 223,904.66

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Solution

The fourth proportional to 358,273.94, 494,212.68 and 223,904.66 is: 308,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,273.94 : 494,212.68 = 223,904.66 : x
  2. Step 2: Convert to fraction form
    358,273.94/494,212.68 = 223,904.66/x
  3. Step 3: Cross multiply
    358,273.94x = 494,212.68 × 223,904.66
  4. Step 4: Simplify right side
    358,273.94x = 110,656,522,083.09
  5. Step 5: Solve for x
    x = 110,656,522,083.09/358,273.94
  6. Step 6: Final answer
    x = 308,860.09

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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.