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Finding the Fourth Proportional to 271,073.80, 373,860.90 and 190,767.40

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Solution

The fourth proportional to 271,073.80, 373,860.90 and 190,767.40 is: 263,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,073.80 : 373,860.90 = 190,767.40 : x
  2. Step 2: Convert to fraction form
    271,073.80/373,860.90 = 190,767.40/x
  3. Step 3: Cross multiply
    271,073.80x = 373,860.90 × 190,767.40
  4. Step 4: Simplify right side
    271,073.80x = 71,320,471,854.66
  5. Step 5: Solve for x
    x = 71,320,471,854.66/271,073.80
  6. Step 6: Final answer
    x = 263,103.52

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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.