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Finding the Fourth Proportional to 273,825.60, 410,738.40 and 76,833.60

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Solution

The fourth proportional to 273,825.60, 410,738.40 and 76,833.60 is: 115,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,825.60 : 410,738.40 = 76,833.60 : x
  2. Step 2: Convert to fraction form
    273,825.60/410,738.40 = 76,833.60/x
  3. Step 3: Cross multiply
    273,825.60x = 410,738.40 × 76,833.60
  4. Step 4: Simplify right side
    273,825.60x = 31,558,509,930.24
  5. Step 5: Solve for x
    x = 31,558,509,930.24/273,825.60
  6. Step 6: Final answer
    x = 115,250.40

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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.