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Finding the Fourth Proportional to 324,443.79, 486,665.55 and 236,258.46

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Solution

The fourth proportional to 324,443.79, 486,665.55 and 236,258.46 is: 354,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,443.79 : 486,665.55 = 236,258.46 : x
  2. Step 2: Convert to fraction form
    324,443.79/486,665.55 = 236,258.46/x
  3. Step 3: Cross multiply
    324,443.79x = 486,665.55 × 236,258.46
  4. Step 4: Simplify right side
    324,443.79x = 114,978,853,378.05
  5. Step 5: Solve for x
    x = 114,978,853,378.05/324,443.79
  6. Step 6: Final answer
    x = 354,387.59

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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.