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Finding the Fourth Proportional to 1,004.56, 1,509.81 and 832.33

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Solution

The fourth proportional to 1,004.56, 1,509.81 and 832.33 is: 1,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.56 : 1,509.81 = 832.33 : x
  2. Step 2: Convert to fraction form
    1,004.56/1,509.81 = 832.33/x
  3. Step 3: Cross multiply
    1,004.56x = 1,509.81 × 832.33
  4. Step 4: Simplify right side
    1,004.56x = 1,256,660.16
  5. Step 5: Solve for x
    x = 1,256,660.16/1,004.56
  6. Step 6: Final answer
    x = 1,250.96

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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.