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Finding the Fourth Proportional to 382,630.45, 573,453.60 and 232,711.60

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Solution

The fourth proportional to 382,630.45, 573,453.60 and 232,711.60 is: 348,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,630.45 : 573,453.60 = 232,711.60 : x
  2. Step 2: Convert to fraction form
    382,630.45/573,453.60 = 232,711.60/x
  3. Step 3: Cross multiply
    382,630.45x = 573,453.60 × 232,711.60
  4. Step 4: Simplify right side
    382,630.45x = 133,449,304,781.76
  5. Step 5: Solve for x
    x = 133,449,304,781.76/382,630.45
  6. Step 6: Final answer
    x = 348,768.13

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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.