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Finding the Fourth Proportional to 538,059.36, 806,900.64 and 158,879.04

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Solution

The fourth proportional to 538,059.36, 806,900.64 and 158,879.04 is: 238,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,059.36 : 806,900.64 = 158,879.04 : x
  2. Step 2: Convert to fraction form
    538,059.36/806,900.64 = 158,879.04/x
  3. Step 3: Cross multiply
    538,059.36x = 806,900.64 × 158,879.04
  4. Step 4: Simplify right side
    538,059.36x = 128,199,599,058.59
  5. Step 5: Solve for x
    x = 128,199,599,058.59/538,059.36
  6. Step 6: Final answer
    x = 238,262.93

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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.