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Finding the Fourth Proportional to 324,062.60, 486,093.90 and 265,013.60

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Solution

The fourth proportional to 324,062.60, 486,093.90 and 265,013.60 is: 397,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,062.60 : 486,093.90 = 265,013.60 : x
  2. Step 2: Convert to fraction form
    324,062.60/486,093.90 = 265,013.60/x
  3. Step 3: Cross multiply
    324,062.60x = 486,093.90 × 265,013.60
  4. Step 4: Simplify right side
    324,062.60x = 128,821,494,377.04
  5. Step 5: Solve for x
    x = 128,821,494,377.04/324,062.60
  6. Step 6: Final answer
    x = 397,520.40

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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.