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Finding the Fourth Proportional to 353,227.81, 528,683.41 and 193,058.41

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Solution

The fourth proportional to 353,227.81, 528,683.41 and 193,058.41 is: 288,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,227.81 : 528,683.41 = 193,058.41 : x
  2. Step 2: Convert to fraction form
    353,227.81/528,683.41 = 193,058.41/x
  3. Step 3: Cross multiply
    353,227.81x = 528,683.41 × 193,058.41
  4. Step 4: Simplify right side
    353,227.81x = 102,066,778,527.98
  5. Step 5: Solve for x
    x = 102,066,778,527.98/353,227.81
  6. Step 6: Final answer
    x = 288,954.54

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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.