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Finding the Fourth Proportional to 382,562.60, 573,843.90 and 294,261.80

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Solution

The fourth proportional to 382,562.60, 573,843.90 and 294,261.80 is: 441,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,562.60 : 573,843.90 = 294,261.80 : x
  2. Step 2: Convert to fraction form
    382,562.60/573,843.90 = 294,261.80/x
  3. Step 3: Cross multiply
    382,562.60x = 573,843.90 × 294,261.80
  4. Step 4: Simplify right side
    382,562.60x = 168,860,338,933.02
  5. Step 5: Solve for x
    x = 168,860,338,933.02/382,562.60
  6. Step 6: Final answer
    x = 441,392.70

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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.