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Finding the Fourth Proportional to 330,237.56, 455,730.36 and 179,334.56

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Solution

The fourth proportional to 330,237.56, 455,730.36 and 179,334.56 is: 247,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,237.56 : 455,730.36 = 179,334.56 : x
  2. Step 2: Convert to fraction form
    330,237.56/455,730.36 = 179,334.56/x
  3. Step 3: Cross multiply
    330,237.56x = 455,730.36 × 179,334.56
  4. Step 4: Simplify right side
    330,237.56x = 81,728,203,589.24
  5. Step 5: Solve for x
    x = 81,728,203,589.24/330,237.56
  6. Step 6: Final answer
    x = 247,483.07

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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.