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Finding the Fourth Proportional to 382,039, 573,058.50 and 119,383

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Solution

The fourth proportional to 382,039, 573,058.50 and 119,383 is: 179,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,039 : 573,058.50 = 119,383 : x
  2. Step 2: Convert to fraction form
    382,039/573,058.50 = 119,383/x
  3. Step 3: Cross multiply
    382,039x = 573,058.50 × 119,383
  4. Step 4: Simplify right side
    382,039x = 68,413,442,905.50
  5. Step 5: Solve for x
    x = 68,413,442,905.50/382,039
  6. Step 6: Final answer
    x = 179,074.50

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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.