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Finding the Fourth Proportional to 330,456.16, 456,032.28 and 179,553.16

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Solution

The fourth proportional to 330,456.16, 456,032.28 and 179,553.16 is: 247,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,456.16 : 456,032.28 = 179,553.16 : x
  2. Step 2: Convert to fraction form
    330,456.16/456,032.28 = 179,553.16/x
  3. Step 3: Cross multiply
    330,456.16x = 456,032.28 × 179,553.16
  4. Step 4: Simplify right side
    330,456.16x = 81,882,036,936.00
  5. Step 5: Solve for x
    x = 81,882,036,936.00/330,456.16
  6. Step 6: Final answer
    x = 247,784.87

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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.