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Finding the Fourth Proportional to 326,495.44, 489,750.84 and 104,881.36

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Solution

The fourth proportional to 326,495.44, 489,750.84 and 104,881.36 is: 157,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,495.44 : 489,750.84 = 104,881.36 : x
  2. Step 2: Convert to fraction form
    326,495.44/489,750.84 = 104,881.36/x
  3. Step 3: Cross multiply
    326,495.44x = 489,750.84 × 104,881.36
  4. Step 4: Simplify right side
    326,495.44x = 51,365,734,160.34
  5. Step 5: Solve for x
    x = 51,365,734,160.34/326,495.44
  6. Step 6: Final answer
    x = 157,324.51

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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.