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Finding the Fourth Proportional to 353,668.82, 530,340.39 and 113,738.26

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Solution

The fourth proportional to 353,668.82, 530,340.39 and 113,738.26 is: 170,555.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,668.82 : 530,340.39 = 113,738.26 : x
  2. Step 2: Convert to fraction form
    353,668.82/530,340.39 = 113,738.26/x
  3. Step 3: Cross multiply
    353,668.82x = 530,340.39 × 113,738.26
  4. Step 4: Simplify right side
    353,668.82x = 60,319,993,166.32
  5. Step 5: Solve for x
    x = 60,319,993,166.32/353,668.82
  6. Step 6: Final answer
    x = 170,555.02

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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.