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Finding the Fourth Proportional to 324,314.52, 486,497.70 and 113,999.64

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Solution

The fourth proportional to 324,314.52, 486,497.70 and 113,999.64 is: 171,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,314.52 : 486,497.70 = 113,999.64 : x
  2. Step 2: Convert to fraction form
    324,314.52/486,497.70 = 113,999.64/x
  3. Step 3: Cross multiply
    324,314.52x = 486,497.70 × 113,999.64
  4. Step 4: Simplify right side
    324,314.52x = 55,460,562,660.83
  5. Step 5: Solve for x
    x = 55,460,562,660.83/324,314.52
  6. Step 6: Final answer
    x = 171,008.57

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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.