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Finding the Fourth Proportional to 273,863.20, 410,794.80 and 155,765.20

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Solution

The fourth proportional to 273,863.20, 410,794.80 and 155,765.20 is: 233,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,863.20 : 410,794.80 = 155,765.20 : x
  2. Step 2: Convert to fraction form
    273,863.20/410,794.80 = 155,765.20/x
  3. Step 3: Cross multiply
    273,863.20x = 410,794.80 × 155,765.20
  4. Step 4: Simplify right side
    273,863.20x = 63,987,534,180.96
  5. Step 5: Solve for x
    x = 63,987,534,180.96/273,863.20
  6. Step 6: Final answer
    x = 233,647.80

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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.