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Finding the Fourth Proportional to 330,492.36, 456,079.50 and 179,589

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Solution

The fourth proportional to 330,492.36, 456,079.50 and 179,589 is: 247,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,492.36 : 456,079.50 = 179,589 : x
  2. Step 2: Convert to fraction form
    330,492.36/456,079.50 = 179,589/x
  3. Step 3: Cross multiply
    330,492.36x = 456,079.50 × 179,589
  4. Step 4: Simplify right side
    330,492.36x = 81,906,861,325.50
  5. Step 5: Solve for x
    x = 81,906,861,325.50/330,492.36
  6. Step 6: Final answer
    x = 247,832.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.