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Finding the Fourth Proportional to 324,710.60, 486,409.80 and 184,305.20

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Solution

The fourth proportional to 324,710.60, 486,409.80 and 184,305.20 is: 276,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,710.60 : 486,409.80 = 184,305.20 : x
  2. Step 2: Convert to fraction form
    324,710.60/486,409.80 = 184,305.20/x
  3. Step 3: Cross multiply
    324,710.60x = 486,409.80 × 184,305.20
  4. Step 4: Simplify right side
    324,710.60x = 89,647,855,470.96
  5. Step 5: Solve for x
    x = 89,647,855,470.96/324,710.60
  6. Step 6: Final answer
    x = 276,085.40

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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.