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Finding the Fourth Proportional to 324,866.40, 486,608.40 and 269,570.40

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Solution

The fourth proportional to 324,866.40, 486,608.40 and 269,570.40 is: 403,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,866.40 : 486,608.40 = 269,570.40 : x
  2. Step 2: Convert to fraction form
    324,866.40/486,608.40 = 269,570.40/x
  3. Step 3: Cross multiply
    324,866.40x = 486,608.40 × 269,570.40
  4. Step 4: Simplify right side
    324,866.40x = 131,175,221,031.36
  5. Step 5: Solve for x
    x = 131,175,221,031.36/324,866.40
  6. Step 6: Final answer
    x = 403,782.05

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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.