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Finding the Fourth Proportional to 356,285.52, 534,456.36 and 119,627.28

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Solution

The fourth proportional to 356,285.52, 534,456.36 and 119,627.28 is: 179,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,285.52 : 534,456.36 = 119,627.28 : x
  2. Step 2: Convert to fraction form
    356,285.52/534,456.36 = 119,627.28/x
  3. Step 3: Cross multiply
    356,285.52x = 534,456.36 × 119,627.28
  4. Step 4: Simplify right side
    356,285.52x = 63,935,560,625.50
  5. Step 5: Solve for x
    x = 63,935,560,625.50/356,285.52
  6. Step 6: Final answer
    x = 179,450.35

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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.