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Finding the Fourth Proportional to 451,236.32, 622,541.32 and 269,953.44

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Solution

The fourth proportional to 451,236.32, 622,541.32 and 269,953.44 is: 372,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,236.32 : 622,541.32 = 269,953.44 : x
  2. Step 2: Convert to fraction form
    451,236.32/622,541.32 = 269,953.44/x
  3. Step 3: Cross multiply
    451,236.32x = 622,541.32 × 269,953.44
  4. Step 4: Simplify right side
    451,236.32x = 168,057,170,876.14
  5. Step 5: Solve for x
    x = 168,057,170,876.14/451,236.32
  6. Step 6: Final answer
    x = 372,437.15

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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.