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Finding the Fourth Proportional to 358,189.18, 494,297.52 and 197,044.42

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Solution

The fourth proportional to 358,189.18, 494,297.52 and 197,044.42 is: 271,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,189.18 : 494,297.52 = 197,044.42 : x
  2. Step 2: Convert to fraction form
    358,189.18/494,297.52 = 197,044.42/x
  3. Step 3: Cross multiply
    358,189.18x = 494,297.52 × 197,044.42
  4. Step 4: Simplify right side
    358,189.18x = 97,398,568,135.84
  5. Step 5: Solve for x
    x = 97,398,568,135.84/358,189.18
  6. Step 6: Final answer
    x = 271,919.35

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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.