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Finding the Fourth Proportional to 333,898.20, 460,939.11 and 190,630.56

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Solution

The fourth proportional to 333,898.20, 460,939.11 and 190,630.56 is: 263,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,898.20 : 460,939.11 = 190,630.56 : x
  2. Step 2: Convert to fraction form
    333,898.20/460,939.11 = 190,630.56/x
  3. Step 3: Cross multiply
    333,898.20x = 460,939.11 × 190,630.56
  4. Step 4: Simplify right side
    333,898.20x = 87,869,081,678.86
  5. Step 5: Solve for x
    x = 87,869,081,678.86/333,898.20
  6. Step 6: Final answer
    x = 263,161.29

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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.