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Finding the Fourth Proportional to 324,076.60, 486,050.10 and 155,596.60

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Solution

The fourth proportional to 324,076.60, 486,050.10 and 155,596.60 is: 233,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,076.60 : 486,050.10 = 155,596.60 : x
  2. Step 2: Convert to fraction form
    324,076.60/486,050.10 = 155,596.60/x
  3. Step 3: Cross multiply
    324,076.60x = 486,050.10 × 155,596.60
  4. Step 4: Simplify right side
    324,076.60x = 75,627,742,989.66
  5. Step 5: Solve for x
    x = 75,627,742,989.66/324,076.60
  6. Step 6: Final answer
    x = 233,363.79

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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.