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Finding the Fourth Proportional to 541,919.55, 813,383.69 and 275,879.23

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Solution

The fourth proportional to 541,919.55, 813,383.69 and 275,879.23 is: 414,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,919.55 : 813,383.69 = 275,879.23 : x
  2. Step 2: Convert to fraction form
    541,919.55/813,383.69 = 275,879.23/x
  3. Step 3: Cross multiply
    541,919.55x = 813,383.69 × 275,879.23
  4. Step 4: Simplify right side
    541,919.55x = 224,395,664,712.36
  5. Step 5: Solve for x
    x = 224,395,664,712.36/541,919.55
  6. Step 6: Final answer
    x = 414,075.61

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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.