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Finding the Fourth Proportional to 353,365.70, 530,040.33 and 113,479.11

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Solution

The fourth proportional to 353,365.70, 530,040.33 and 113,479.11 is: 170,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,365.70 : 530,040.33 = 113,479.11 : x
  2. Step 2: Convert to fraction form
    353,365.70/530,040.33 = 113,479.11/x
  3. Step 3: Cross multiply
    353,365.70x = 530,040.33 × 113,479.11
  4. Step 4: Simplify right side
    353,365.70x = 60,148,504,912.51
  5. Step 5: Solve for x
    x = 60,148,504,912.51/353,365.70
  6. Step 6: Final answer
    x = 170,216.03

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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.