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Finding the Fourth Proportional to 330,776.31, 456,470.19 and 179,873.31

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Solution

The fourth proportional to 330,776.31, 456,470.19 and 179,873.31 is: 248,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,776.31 : 456,470.19 = 179,873.31 : x
  2. Step 2: Convert to fraction form
    330,776.31/456,470.19 = 179,873.31/x
  3. Step 3: Cross multiply
    330,776.31x = 456,470.19 × 179,873.31
  4. Step 4: Simplify right side
    330,776.31x = 82,106,803,991.63
  5. Step 5: Solve for x
    x = 82,106,803,991.63/330,776.31
  6. Step 6: Final answer
    x = 248,224.56

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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.