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Finding the Fourth Proportional to 324,843.60, 487,265.40 and 310,846.80

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Solution

The fourth proportional to 324,843.60, 487,265.40 and 310,846.80 is: 466,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,843.60 : 487,265.40 = 310,846.80 : x
  2. Step 2: Convert to fraction form
    324,843.60/487,265.40 = 310,846.80/x
  3. Step 3: Cross multiply
    324,843.60x = 487,265.40 × 310,846.80
  4. Step 4: Simplify right side
    324,843.60x = 151,464,890,340.72
  5. Step 5: Solve for x
    x = 151,464,890,340.72/324,843.60
  6. Step 6: Final answer
    x = 466,270.20

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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.