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Finding the Fourth Proportional to 324,573, 486,435.36 and 234,917.64

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Solution

The fourth proportional to 324,573, 486,435.36 and 234,917.64 is: 352,069.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,573 : 486,435.36 = 234,917.64 : x
  2. Step 2: Convert to fraction form
    324,573/486,435.36 = 234,917.64/x
  3. Step 3: Cross multiply
    324,573x = 486,435.36 × 234,917.64
  4. Step 4: Simplify right side
    324,573x = 114,272,246,783.75
  5. Step 5: Solve for x
    x = 114,272,246,783.75/324,573
  6. Step 6: Final answer
    x = 352,069.48

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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.