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Finding the Fourth Proportional to 324,759.44, 487,014.48 and 111,487.58

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Solution

The fourth proportional to 324,759.44, 487,014.48 and 111,487.58 is: 167,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,759.44 : 487,014.48 = 111,487.58 : x
  2. Step 2: Convert to fraction form
    324,759.44/487,014.48 = 111,487.58/x
  3. Step 3: Cross multiply
    324,759.44x = 487,014.48 × 111,487.58
  4. Step 4: Simplify right side
    324,759.44x = 54,296,065,800.16
  5. Step 5: Solve for x
    x = 54,296,065,800.16/324,759.44
  6. Step 6: Final answer
    x = 167,188.57

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1.5x scale

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.