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Finding the Fourth Proportional to 358,060.77, 494,113.99 and 196,915.80

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Solution

The fourth proportional to 358,060.77, 494,113.99 and 196,915.80 is: 271,738.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,060.77 : 494,113.99 = 196,915.80 : x
  2. Step 2: Convert to fraction form
    358,060.77/494,113.99 = 196,915.80/x
  3. Step 3: Cross multiply
    358,060.77x = 494,113.99 × 196,915.80
  4. Step 4: Simplify right side
    358,060.77x = 97,298,851,632.04
  5. Step 5: Solve for x
    x = 97,298,851,632.04/358,060.77
  6. Step 6: Final answer
    x = 271,738.37

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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.