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Finding the Fourth Proportional to 382,001.80, 573,614.70 and 303,766.60

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Solution

The fourth proportional to 382,001.80, 573,614.70 and 303,766.60 is: 456,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,001.80 : 573,614.70 = 303,766.60 : x
  2. Step 2: Convert to fraction form
    382,001.80/573,614.70 = 303,766.60/x
  3. Step 3: Cross multiply
    382,001.80x = 573,614.70 × 303,766.60
  4. Step 4: Simplify right side
    382,001.80x = 174,244,987,129.02
  5. Step 5: Solve for x
    x = 174,244,987,129.02/382,001.80
  6. Step 6: Final answer
    x = 456,136.56

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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.