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Finding the Fourth Proportional to 358,231.44, 494,193.96 and 230,948.04

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Solution

The fourth proportional to 358,231.44, 494,193.96 and 230,948.04 is: 318,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,231.44 : 494,193.96 = 230,948.04 : x
  2. Step 2: Convert to fraction form
    358,231.44/494,193.96 = 230,948.04/x
  3. Step 3: Cross multiply
    358,231.44x = 494,193.96 × 230,948.04
  4. Step 4: Simplify right side
    358,231.44x = 114,133,126,441.84
  5. Step 5: Solve for x
    x = 114,133,126,441.84/358,231.44
  6. Step 6: Final answer
    x = 318,601.65

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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.