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Finding the Fourth Proportional to 330,487.16, 456,079.02 and 179,593.88

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Solution

The fourth proportional to 330,487.16, 456,079.02 and 179,593.88 is: 247,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,487.16 : 456,079.02 = 179,593.88 : x
  2. Step 2: Convert to fraction form
    330,487.16/456,079.02 = 179,593.88/x
  3. Step 3: Cross multiply
    330,487.16x = 456,079.02 × 179,593.88
  4. Step 4: Simplify right side
    330,487.16x = 81,909,000,788.40
  5. Step 5: Solve for x
    x = 81,909,000,788.40/330,487.16
  6. Step 6: Final answer
    x = 247,843.22

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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.