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Finding the Fourth Proportional to 599,679.03, 899,674.34 and 178,954.91

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Solution

The fourth proportional to 599,679.03, 899,674.34 and 178,954.91 is: 268,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,679.03 : 899,674.34 = 178,954.91 : x
  2. Step 2: Convert to fraction form
    599,679.03/899,674.34 = 178,954.91/x
  3. Step 3: Cross multiply
    599,679.03x = 899,674.34 × 178,954.91
  4. Step 4: Simplify right side
    599,679.03x = 161,001,140,544.01
  5. Step 5: Solve for x
    x = 161,001,140,544.01/599,679.03
  6. Step 6: Final answer
    x = 268,478.86

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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.