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Finding the Fourth Proportional to 358,168.43, 494,261.95 and 197,023.39

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Solution

The fourth proportional to 358,168.43, 494,261.95 and 197,023.39 is: 271,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,168.43 : 494,261.95 = 197,023.39 : x
  2. Step 2: Convert to fraction form
    358,168.43/494,261.95 = 197,023.39/x
  3. Step 3: Cross multiply
    358,168.43x = 494,261.95 × 197,023.39
  4. Step 4: Simplify right side
    358,168.43x = 97,381,163,578.22
  5. Step 5: Solve for x
    x = 97,381,163,578.22/358,168.43
  6. Step 6: Final answer
    x = 271,886.51

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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.