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Finding the Fourth Proportional to 561,435.10, 842,393.90 and 182,471.97

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Solution

The fourth proportional to 561,435.10, 842,393.90 and 182,471.97 is: 273,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,435.10 : 842,393.90 = 182,471.97 : x
  2. Step 2: Convert to fraction form
    561,435.10/842,393.90 = 182,471.97/x
  3. Step 3: Cross multiply
    561,435.10x = 842,393.90 × 182,471.97
  4. Step 4: Simplify right side
    561,435.10x = 153,713,270,443.24
  5. Step 5: Solve for x
    x = 153,713,270,443.24/561,435.10
  6. Step 6: Final answer
    x = 273,786.36

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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.