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Finding the Fourth Proportional to 303,363.54, 454,676.31 and 214,642.62

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Solution

The fourth proportional to 303,363.54, 454,676.31 and 214,642.62 is: 321,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,363.54 : 454,676.31 = 214,642.62 : x
  2. Step 2: Convert to fraction form
    303,363.54/454,676.31 = 214,642.62/x
  3. Step 3: Cross multiply
    303,363.54x = 454,676.31 × 214,642.62
  4. Step 4: Simplify right side
    303,363.54x = 97,592,914,430.33
  5. Step 5: Solve for x
    x = 97,592,914,430.33/303,363.54
  6. Step 6: Final answer
    x = 321,702.85

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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.