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Finding the Fourth Proportional to 225,176.69, 335,498.27 and 221,929.00

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Solution

The fourth proportional to 225,176.69, 335,498.27 and 221,929.00 is: 330,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,176.69 : 335,498.27 = 221,929.00 : x
  2. Step 2: Convert to fraction form
    225,176.69/335,498.27 = 221,929.00/x
  3. Step 3: Cross multiply
    225,176.69x = 335,498.27 × 221,929.00
  4. Step 4: Simplify right side
    225,176.69x = 74,456,793,614.44
  5. Step 5: Solve for x
    x = 74,456,793,614.44/225,176.69
  6. Step 6: Final answer
    x = 330,659.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.