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Finding the Fourth Proportional to 271,854.48, 407,292.72 and 255,843.60

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Solution

The fourth proportional to 271,854.48, 407,292.72 and 255,843.60 is: 383,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,854.48 : 407,292.72 = 255,843.60 : x
  2. Step 2: Convert to fraction form
    271,854.48/407,292.72 = 255,843.60/x
  3. Step 3: Cross multiply
    271,854.48x = 407,292.72 × 255,843.60
  4. Step 4: Simplify right side
    271,854.48x = 104,203,235,738.59
  5. Step 5: Solve for x
    x = 104,203,235,738.59/271,854.48
  6. Step 6: Final answer
    x = 383,305.20

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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.