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Finding the Fourth Proportional to 417,833.96, 626,676.81 and 190,076.54

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Solution

The fourth proportional to 417,833.96, 626,676.81 and 190,076.54 is: 285,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,833.96 : 626,676.81 = 190,076.54 : x
  2. Step 2: Convert to fraction form
    417,833.96/626,676.81 = 190,076.54/x
  3. Step 3: Cross multiply
    417,833.96x = 626,676.81 × 190,076.54
  4. Step 4: Simplify right side
    417,833.96x = 119,116,559,743.04
  5. Step 5: Solve for x
    x = 119,116,559,743.04/417,833.96
  6. Step 6: Final answer
    x = 285,081.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.