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Finding the Fourth Proportional to 599,714.36, 899,727.18 and 178,990.22

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Solution

The fourth proportional to 599,714.36, 899,727.18 and 178,990.22 is: 268,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,714.36 : 899,727.18 = 178,990.22 : x
  2. Step 2: Convert to fraction form
    599,714.36/899,727.18 = 178,990.22/x
  3. Step 3: Cross multiply
    599,714.36x = 899,727.18 × 178,990.22
  4. Step 4: Simplify right side
    599,714.36x = 161,042,365,888.18
  5. Step 5: Solve for x
    x = 161,042,365,888.18/599,714.36
  6. Step 6: Final answer
    x = 268,531.78

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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.