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Finding the Fourth Proportional to 356,392.33, 534,668.27 and 119,728.55

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Solution

The fourth proportional to 356,392.33, 534,668.27 and 119,728.55 is: 179,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,392.33 : 534,668.27 = 119,728.55 : x
  2. Step 2: Convert to fraction form
    356,392.33/534,668.27 = 119,728.55/x
  3. Step 3: Cross multiply
    356,392.33x = 534,668.27 × 119,728.55
  4. Step 4: Simplify right side
    356,392.33x = 64,015,057,436.14
  5. Step 5: Solve for x
    x = 64,015,057,436.14/356,392.33
  6. Step 6: Final answer
    x = 179,619.63

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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.