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Finding the Fourth Proportional to 358,060.31, 494,113.35 and 196,915.35

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Solution

The fourth proportional to 358,060.31, 494,113.35 and 196,915.35 is: 271,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,060.31 : 494,113.35 = 196,915.35 : x
  2. Step 2: Convert to fraction form
    358,060.31/494,113.35 = 196,915.35/x
  3. Step 3: Cross multiply
    358,060.31x = 494,113.35 × 196,915.35
  4. Step 4: Simplify right side
    358,060.31x = 97,298,503,993.36
  5. Step 5: Solve for x
    x = 97,298,503,993.36/358,060.31
  6. Step 6: Final answer
    x = 271,737.76

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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.