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Finding the Fourth Proportional to 307,328.38, 460,975.96 and 117,879.51

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Solution

The fourth proportional to 307,328.38, 460,975.96 and 117,879.51 is: 176,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,328.38 : 460,975.96 = 117,879.51 : x
  2. Step 2: Convert to fraction form
    307,328.38/460,975.96 = 117,879.51/x
  3. Step 3: Cross multiply
    307,328.38x = 460,975.96 × 117,879.51
  4. Step 4: Simplify right side
    307,328.38x = 54,339,620,286.58
  5. Step 5: Solve for x
    x = 54,339,620,286.58/307,328.38
  6. Step 6: Final answer
    x = 176,812.89

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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.