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Finding the Fourth Proportional to 270,150.80, 404,788.80 and 254,404.40

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Solution

The fourth proportional to 270,150.80, 404,788.80 and 254,404.40 is: 381,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,150.80 : 404,788.80 = 254,404.40 : x
  2. Step 2: Convert to fraction form
    270,150.80/404,788.80 = 254,404.40/x
  3. Step 3: Cross multiply
    270,150.80x = 404,788.80 × 254,404.40
  4. Step 4: Simplify right side
    270,150.80x = 102,980,051,790.72
  5. Step 5: Solve for x
    x = 102,980,051,790.72/270,150.80
  6. Step 6: Final answer
    x = 381,194.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.