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Finding the Fourth Proportional to 382,753.65, 573,474.38 and 270,232.50

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Solution

The fourth proportional to 382,753.65, 573,474.38 and 270,232.50 is: 404,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,753.65 : 573,474.38 = 270,232.50 : x
  2. Step 2: Convert to fraction form
    382,753.65/573,474.38 = 270,232.50/x
  3. Step 3: Cross multiply
    382,753.65x = 573,474.38 × 270,232.50
  4. Step 4: Simplify right side
    382,753.65x = 154,971,415,393.35
  5. Step 5: Solve for x
    x = 154,971,415,393.35/382,753.65
  6. Step 6: Final answer
    x = 404,885.53

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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.