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Finding the Fourth Proportional to 324,016.80, 486,608.40 and 235,370.40

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Solution

The fourth proportional to 324,016.80, 486,608.40 and 235,370.40 is: 353,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,016.80 : 486,608.40 = 235,370.40 : x
  2. Step 2: Convert to fraction form
    324,016.80/486,608.40 = 235,370.40/x
  3. Step 3: Cross multiply
    324,016.80x = 486,608.40 × 235,370.40
  4. Step 4: Simplify right side
    324,016.80x = 114,533,213,751.36
  5. Step 5: Solve for x
    x = 114,533,213,751.36/324,016.80
  6. Step 6: Final answer
    x = 353,479.24

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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.