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Finding the Fourth Proportional to 353,262.36, 529,912.74 and 116,626.20

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Solution

The fourth proportional to 353,262.36, 529,912.74 and 116,626.20 is: 174,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,262.36 : 529,912.74 = 116,626.20 : x
  2. Step 2: Convert to fraction form
    353,262.36/529,912.74 = 116,626.20/x
  3. Step 3: Cross multiply
    353,262.36x = 529,912.74 × 116,626.20
  4. Step 4: Simplify right side
    353,262.36x = 61,801,709,197.79
  5. Step 5: Solve for x
    x = 61,801,709,197.79/353,262.36
  6. Step 6: Final answer
    x = 174,945.64

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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.