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Finding the Fourth Proportional to 326,594.42, 489,949.04 and 149,119.37

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Solution

The fourth proportional to 326,594.42, 489,949.04 and 149,119.37 is: 223,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,594.42 : 489,949.04 = 149,119.37 : x
  2. Step 2: Convert to fraction form
    326,594.42/489,949.04 = 149,119.37/x
  3. Step 3: Cross multiply
    326,594.42x = 489,949.04 × 149,119.37
  4. Step 4: Simplify right side
    326,594.42x = 73,060,892,176.90
  5. Step 5: Solve for x
    x = 73,060,892,176.90/326,594.42
  6. Step 6: Final answer
    x = 223,705.27

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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.