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Finding the Fourth Proportional to 276,010.22, 380,896.23 and 153,504.32

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Solution

The fourth proportional to 276,010.22, 380,896.23 and 153,504.32 is: 211,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,010.22 : 380,896.23 = 153,504.32 : x
  2. Step 2: Convert to fraction form
    276,010.22/380,896.23 = 153,504.32/x
  3. Step 3: Cross multiply
    276,010.22x = 380,896.23 × 153,504.32
  4. Step 4: Simplify right side
    276,010.22x = 58,469,216,776.71
  5. Step 5: Solve for x
    x = 58,469,216,776.71/276,010.22
  6. Step 6: Final answer
    x = 211,837.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.