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Finding the Fourth Proportional to 358,232.97, 494,361.48 and 197,084.55

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Solution

The fourth proportional to 358,232.97, 494,361.48 and 197,084.55 is: 271,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,232.97 : 494,361.48 = 197,084.55 : x
  2. Step 2: Convert to fraction form
    358,232.97/494,361.48 = 197,084.55/x
  3. Step 3: Cross multiply
    358,232.97x = 494,361.48 × 197,084.55
  4. Step 4: Simplify right side
    358,232.97x = 97,431,010,937.92
  5. Step 5: Solve for x
    x = 97,431,010,937.92/358,232.97
  6. Step 6: Final answer
    x = 271,976.67

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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.