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Finding the Fourth Proportional to 324,394.20, 486,591.30 and 235,229.40

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Solution

The fourth proportional to 324,394.20, 486,591.30 and 235,229.40 is: 352,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,394.20 : 486,591.30 = 235,229.40 : x
  2. Step 2: Convert to fraction form
    324,394.20/486,591.30 = 235,229.40/x
  3. Step 3: Cross multiply
    324,394.20x = 486,591.30 × 235,229.40
  4. Step 4: Simplify right side
    324,394.20x = 114,460,579,544.22
  5. Step 5: Solve for x
    x = 114,460,579,544.22/324,394.20
  6. Step 6: Final answer
    x = 352,844.10

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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.