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Finding the Fourth Proportional to 356,512.94, 534,409.36 and 223,486.44

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Solution

The fourth proportional to 356,512.94, 534,409.36 and 223,486.44 is: 335,003.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,512.94 : 534,409.36 = 223,486.44 : x
  2. Step 2: Convert to fraction form
    356,512.94/534,409.36 = 223,486.44/x
  3. Step 3: Cross multiply
    356,512.94x = 534,409.36 × 223,486.44
  4. Step 4: Simplify right side
    356,512.94x = 119,433,242,806.33
  5. Step 5: Solve for x
    x = 119,433,242,806.33/356,512.94
  6. Step 6: Final answer
    x = 335,003.95

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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.