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Finding the Fourth Proportional to 382,080.40, 573,379.80 and 248,635.60

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Solution

The fourth proportional to 382,080.40, 573,379.80 and 248,635.60 is: 373,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,080.40 : 573,379.80 = 248,635.60 : x
  2. Step 2: Convert to fraction form
    382,080.40/573,379.80 = 248,635.60/x
  3. Step 3: Cross multiply
    382,080.40x = 573,379.80 × 248,635.60
  4. Step 4: Simplify right side
    382,080.40x = 142,562,630,600.88
  5. Step 5: Solve for x
    x = 142,562,630,600.88/382,080.40
  6. Step 6: Final answer
    x = 373,122.07

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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.