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Finding the Fourth Proportional to 358,086.22, 494,159.16 and 196,952.20

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Solution

The fourth proportional to 358,086.22, 494,159.16 and 196,952.20 is: 271,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,086.22 : 494,159.16 = 196,952.20 : x
  2. Step 2: Convert to fraction form
    358,086.22/494,159.16 = 196,952.20/x
  3. Step 3: Cross multiply
    358,086.22x = 494,159.16 × 196,952.20
  4. Step 4: Simplify right side
    358,086.22x = 97,325,733,712.15
  5. Step 5: Solve for x
    x = 97,325,733,712.15/358,086.22
  6. Step 6: Final answer
    x = 271,794.13

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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.