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Finding the Fourth Proportional to 382,008.60, 573,128.10 and 204,600.60

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Solution

The fourth proportional to 382,008.60, 573,128.10 and 204,600.60 is: 306,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,008.60 : 573,128.10 = 204,600.60 : x
  2. Step 2: Convert to fraction form
    382,008.60/573,128.10 = 204,600.60/x
  3. Step 3: Cross multiply
    382,008.60x = 573,128.10 × 204,600.60
  4. Step 4: Simplify right side
    382,008.60x = 117,262,353,136.86
  5. Step 5: Solve for x
    x = 117,262,353,136.86/382,008.60
  6. Step 6: Final answer
    x = 306,962.60

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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.