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Finding the Fourth Proportional to 358,003.68, 494,046.86 and 196,869.12

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Solution

The fourth proportional to 358,003.68, 494,046.86 and 196,869.12 is: 271,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,003.68 : 494,046.86 = 196,869.12 : x
  2. Step 2: Convert to fraction form
    358,003.68/494,046.86 = 196,869.12/x
  3. Step 3: Cross multiply
    358,003.68x = 494,046.86 × 196,869.12
  4. Step 4: Simplify right side
    358,003.68x = 97,262,570,566.96
  5. Step 5: Solve for x
    x = 97,262,570,566.96/358,003.68
  6. Step 6: Final answer
    x = 271,680.37

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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.