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Finding the Fourth Proportional to 468,987.68, 703,481.78 and 329,369.60

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Solution

The fourth proportional to 468,987.68, 703,481.78 and 329,369.60 is: 494,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,987.68 : 703,481.78 = 329,369.60 : x
  2. Step 2: Convert to fraction form
    468,987.68/703,481.78 = 329,369.60/x
  3. Step 3: Cross multiply
    468,987.68x = 703,481.78 × 329,369.60
  4. Step 4: Simplify right side
    468,987.68x = 231,705,507,321.63
  5. Step 5: Solve for x
    x = 231,705,507,321.63/468,987.68
  6. Step 6: Final answer
    x = 494,054.58

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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.