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Finding the Fourth Proportional to 382,074.40, 573,370.80 and 248,629.60

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Solution

The fourth proportional to 382,074.40, 573,370.80 and 248,629.60 is: 373,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,074.40 : 573,370.80 = 248,629.60 : x
  2. Step 2: Convert to fraction form
    382,074.40/573,370.80 = 248,629.60/x
  3. Step 3: Cross multiply
    382,074.40x = 573,370.80 × 248,629.60
  4. Step 4: Simplify right side
    382,074.40x = 142,556,952,655.68
  5. Step 5: Solve for x
    x = 142,556,952,655.68/382,074.40
  6. Step 6: Final answer
    x = 373,113.07

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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.