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Finding the Fourth Proportional to 358,646.88, 494,766.54 and 231,363.48

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Solution

The fourth proportional to 358,646.88, 494,766.54 and 231,363.48 is: 319,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,646.88 : 494,766.54 = 231,363.48 : x
  2. Step 2: Convert to fraction form
    358,646.88/494,766.54 = 231,363.48/x
  3. Step 3: Cross multiply
    358,646.88x = 494,766.54 × 231,363.48
  4. Step 4: Simplify right side
    358,646.88x = 114,470,908,481.96
  5. Step 5: Solve for x
    x = 114,470,908,481.96/358,646.88
  6. Step 6: Final answer
    x = 319,174.42

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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.