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Finding the Fourth Proportional to 363,252, 544,872.52 and 163,431.28

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Solution

The fourth proportional to 363,252, 544,872.52 and 163,431.28 is: 245,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,252 : 544,872.52 = 163,431.28 : x
  2. Step 2: Convert to fraction form
    363,252/544,872.52 = 163,431.28/x
  3. Step 3: Cross multiply
    363,252x = 544,872.52 × 163,431.28
  4. Step 4: Simplify right side
    363,252x = 89,049,213,380.43
  5. Step 5: Solve for x
    x = 89,049,213,380.43/363,252
  6. Step 6: Final answer
    x = 245,144.45

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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.