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Finding the Fourth Proportional to 358,645.88, 494,765.16 and 231,362.48

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Solution

The fourth proportional to 358,645.88, 494,765.16 and 231,362.48 is: 319,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,645.88 : 494,765.16 = 231,362.48 : x
  2. Step 2: Convert to fraction form
    358,645.88/494,765.16 = 231,362.48/x
  3. Step 3: Cross multiply
    358,645.88x = 494,765.16 × 231,362.48
  4. Step 4: Simplify right side
    358,645.88x = 114,470,094,435.20
  5. Step 5: Solve for x
    x = 114,470,094,435.20/358,645.88
  6. Step 6: Final answer
    x = 319,173.04

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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.