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Finding the Fourth Proportional to 358,058.15, 494,110.40 and 196,913.21

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Solution

The fourth proportional to 358,058.15, 494,110.40 and 196,913.21 is: 271,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,058.15 : 494,110.40 = 196,913.21 : x
  2. Step 2: Convert to fraction form
    358,058.15/494,110.40 = 196,913.21/x
  3. Step 3: Cross multiply
    358,058.15x = 494,110.40 × 196,913.21
  4. Step 4: Simplify right side
    358,058.15x = 97,296,861,503.27
  5. Step 5: Solve for x
    x = 97,296,861,503.27/358,058.15
  6. Step 6: Final answer
    x = 271,734.81

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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.