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Finding the Fourth Proportional to 480,158.76, 662,056.92 and 327,287.44

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Solution

The fourth proportional to 480,158.76, 662,056.92 and 327,287.44 is: 451,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,158.76 : 662,056.92 = 327,287.44 : x
  2. Step 2: Convert to fraction form
    480,158.76/662,056.92 = 327,287.44/x
  3. Step 3: Cross multiply
    480,158.76x = 662,056.92 × 327,287.44
  4. Step 4: Simplify right side
    480,158.76x = 216,682,914,481.09
  5. Step 5: Solve for x
    x = 216,682,914,481.09/480,158.76
  6. Step 6: Final answer
    x = 451,273.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.