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Finding the Fourth Proportional to 273,610.20, 410,415.30 and 155,512.20

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Solution

The fourth proportional to 273,610.20, 410,415.30 and 155,512.20 is: 233,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,610.20 : 410,415.30 = 155,512.20 : x
  2. Step 2: Convert to fraction form
    273,610.20/410,415.30 = 155,512.20/x
  3. Step 3: Cross multiply
    273,610.20x = 410,415.30 × 155,512.20
  4. Step 4: Simplify right side
    273,610.20x = 63,824,586,216.66
  5. Step 5: Solve for x
    x = 63,824,586,216.66/273,610.20
  6. Step 6: Final answer
    x = 233,268.30

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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.