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Finding the Fourth Proportional to 578,392.44, 867,563.13 and 157,668.33

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Solution

The fourth proportional to 578,392.44, 867,563.13 and 157,668.33 is: 236,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,392.44 : 867,563.13 = 157,668.33 : x
  2. Step 2: Convert to fraction form
    578,392.44/867,563.13 = 157,668.33/x
  3. Step 3: Cross multiply
    578,392.44x = 867,563.13 × 157,668.33
  4. Step 4: Simplify right side
    578,392.44x = 136,787,229,876.67
  5. Step 5: Solve for x
    x = 136,787,229,876.67/578,392.44
  6. Step 6: Final answer
    x = 236,495.54

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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.