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Finding the Fourth Proportional to 358,060.56, 494,113.70 and 196,915.60

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Solution

The fourth proportional to 358,060.56, 494,113.70 and 196,915.60 is: 271,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,060.56 : 494,113.70 = 196,915.60 : x
  2. Step 2: Convert to fraction form
    358,060.56/494,113.70 = 196,915.60/x
  3. Step 3: Cross multiply
    358,060.56x = 494,113.70 × 196,915.60
  4. Step 4: Simplify right side
    358,060.56x = 97,298,695,703.72
  5. Step 5: Solve for x
    x = 97,298,695,703.72/358,060.56
  6. Step 6: Final answer
    x = 271,738.10

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1.5x scale

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.