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Finding the Fourth Proportional to 358,233.62, 494,362.37 and 197,085.21

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Solution

The fourth proportional to 358,233.62, 494,362.37 and 197,085.21 is: 271,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,233.62 : 494,362.37 = 197,085.21 : x
  2. Step 2: Convert to fraction form
    358,233.62/494,362.37 = 197,085.21/x
  3. Step 3: Cross multiply
    358,233.62x = 494,362.37 × 197,085.21
  4. Step 4: Simplify right side
    358,233.62x = 97,431,511,507.55
  5. Step 5: Solve for x
    x = 97,431,511,507.55/358,233.62
  6. Step 6: Final answer
    x = 271,977.58

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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.