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Finding the Fourth Proportional to 324,189.92, 486,347.92 and 124,495.64

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Solution

The fourth proportional to 324,189.92, 486,347.92 and 124,495.64 is: 186,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,189.92 : 486,347.92 = 124,495.64 : x
  2. Step 2: Convert to fraction form
    324,189.92/486,347.92 = 124,495.64/x
  3. Step 3: Cross multiply
    324,189.92x = 486,347.92 × 124,495.64
  4. Step 4: Simplify right side
    324,189.92x = 60,548,195,563.07
  5. Step 5: Solve for x
    x = 60,548,195,563.07/324,189.92
  6. Step 6: Final answer
    x = 186,767.67

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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.