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Finding the Fourth Proportional to 324,062.60, 486,093.90 and 276,823.40

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Solution

The fourth proportional to 324,062.60, 486,093.90 and 276,823.40 is: 415,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,062.60 : 486,093.90 = 276,823.40 : x
  2. Step 2: Convert to fraction form
    324,062.60/486,093.90 = 276,823.40/x
  3. Step 3: Cross multiply
    324,062.60x = 486,093.90 × 276,823.40
  4. Step 4: Simplify right side
    324,062.60x = 134,562,166,117.26
  5. Step 5: Solve for x
    x = 134,562,166,117.26/324,062.60
  6. Step 6: Final answer
    x = 415,235.10

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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.