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Finding the Fourth Proportional to 382,136.30, 573,204.45 and 376,231.40

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Solution

The fourth proportional to 382,136.30, 573,204.45 and 376,231.40 is: 564,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,136.30 : 573,204.45 = 376,231.40 : x
  2. Step 2: Convert to fraction form
    382,136.30/573,204.45 = 376,231.40/x
  3. Step 3: Cross multiply
    382,136.30x = 573,204.45 × 376,231.40
  4. Step 4: Simplify right side
    382,136.30x = 215,657,512,709.73
  5. Step 5: Solve for x
    x = 215,657,512,709.73/382,136.30
  6. Step 6: Final answer
    x = 564,347.10

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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.