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Finding the Fourth Proportional to 505,224.94, 757,615.06 and 189,460.41

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Solution

The fourth proportional to 505,224.94, 757,615.06 and 189,460.41 is: 284,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,224.94 : 757,615.06 = 189,460.41 : x
  2. Step 2: Convert to fraction form
    505,224.94/757,615.06 = 189,460.41/x
  3. Step 3: Cross multiply
    505,224.94x = 757,615.06 × 189,460.41
  4. Step 4: Simplify right side
    505,224.94x = 143,538,059,889.78
  5. Step 5: Solve for x
    x = 143,538,059,889.78/505,224.94
  6. Step 6: Final answer
    x = 284,107.23

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Similar ratio
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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.