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Finding the Fourth Proportional to 382,458.60, 573,906.60 and 264,214.80

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Solution

The fourth proportional to 382,458.60, 573,906.60 and 264,214.80 is: 396,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,458.60 : 573,906.60 = 264,214.80 : x
  2. Step 2: Convert to fraction form
    382,458.60/573,906.60 = 264,214.80/x
  3. Step 3: Cross multiply
    382,458.60x = 573,906.60 × 264,214.80
  4. Step 4: Simplify right side
    382,458.60x = 151,634,617,537.68
  5. Step 5: Solve for x
    x = 151,634,617,537.68/382,458.60
  6. Step 6: Final answer
    x = 396,473.29

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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.