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Finding the Fourth Proportional to 330,648, 456,293.16 and 179,743.92

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Solution

The fourth proportional to 330,648, 456,293.16 and 179,743.92 is: 248,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,648 : 456,293.16 = 179,743.92 : x
  2. Step 2: Convert to fraction form
    330,648/456,293.16 = 179,743.92/x
  3. Step 3: Cross multiply
    330,648x = 456,293.16 × 179,743.92
  4. Step 4: Simplify right side
    330,648x = 82,015,921,247.59
  5. Step 5: Solve for x
    x = 82,015,921,247.59/330,648
  6. Step 6: Final answer
    x = 248,046.02

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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.