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Finding the Fourth Proportional to 324,906.76, 487,360.14 and 214,072.84

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Solution

The fourth proportional to 324,906.76, 487,360.14 and 214,072.84 is: 321,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,906.76 : 487,360.14 = 214,072.84 : x
  2. Step 2: Convert to fraction form
    324,906.76/487,360.14 = 214,072.84/x
  3. Step 3: Cross multiply
    324,906.76x = 487,360.14 × 214,072.84
  4. Step 4: Simplify right side
    324,906.76x = 104,330,569,272.60
  5. Step 5: Solve for x
    x = 104,330,569,272.60/324,906.76
  6. Step 6: Final answer
    x = 321,109.26

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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.