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Finding the Fourth Proportional to 358,003.52, 494,034.88 and 196,858.88

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Solution

The fourth proportional to 358,003.52, 494,034.88 and 196,858.88 is: 271,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,003.52 : 494,034.88 = 196,858.88 : x
  2. Step 2: Convert to fraction form
    358,003.52/494,034.88 = 196,858.88/x
  3. Step 3: Cross multiply
    358,003.52x = 494,034.88 × 196,858.88
  4. Step 4: Simplify right side
    358,003.52x = 97,255,153,157.73
  5. Step 5: Solve for x
    x = 97,255,153,157.73/358,003.52
  6. Step 6: Final answer
    x = 271,659.77

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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.