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Finding the Fourth Proportional to 356,059.11, 491,361.53 and 194,914.26

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Solution

The fourth proportional to 356,059.11, 491,361.53 and 194,914.26 is: 268,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,059.11 : 491,361.53 = 194,914.26 : x
  2. Step 2: Convert to fraction form
    356,059.11/491,361.53 = 194,914.26/x
  3. Step 3: Cross multiply
    356,059.11x = 491,361.53 × 194,914.26
  4. Step 4: Simplify right side
    356,059.11x = 95,773,368,037.85
  5. Step 5: Solve for x
    x = 95,773,368,037.85/356,059.11
  6. Step 6: Final answer
    x = 268,981.65

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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.