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Finding the Fourth Proportional to 466,062.40, 642,481.50 and 329,676.22

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Solution

The fourth proportional to 466,062.40, 642,481.50 and 329,676.22 is: 454,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,062.40 : 642,481.50 = 329,676.22 : x
  2. Step 2: Convert to fraction form
    466,062.40/642,481.50 = 329,676.22/x
  3. Step 3: Cross multiply
    466,062.40x = 642,481.50 × 329,676.22
  4. Step 4: Simplify right side
    466,062.40x = 211,810,872,339.93
  5. Step 5: Solve for x
    x = 211,810,872,339.93/466,062.40
  6. Step 6: Final answer
    x = 454,468.91

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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.