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Finding the Fourth Proportional to 324,085.52, 486,298.98 and 166,313.96

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Solution

The fourth proportional to 324,085.52, 486,298.98 and 166,313.96 is: 249,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,085.52 : 486,298.98 = 166,313.96 : x
  2. Step 2: Convert to fraction form
    324,085.52/486,298.98 = 166,313.96/x
  3. Step 3: Cross multiply
    324,085.52x = 486,298.98 × 166,313.96
  4. Step 4: Simplify right side
    324,085.52x = 80,878,309,107.76
  5. Step 5: Solve for x
    x = 80,878,309,107.76/324,085.52
  6. Step 6: Final answer
    x = 249,558.54

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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.