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Finding the Fourth Proportional to 382,028.20, 573,042.30 and 101,573.80

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Solution

The fourth proportional to 382,028.20, 573,042.30 and 101,573.80 is: 152,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,028.20 : 573,042.30 = 101,573.80 : x
  2. Step 2: Convert to fraction form
    382,028.20/573,042.30 = 101,573.80/x
  3. Step 3: Cross multiply
    382,028.20x = 573,042.30 × 101,573.80
  4. Step 4: Simplify right side
    382,028.20x = 58,206,083,971.74
  5. Step 5: Solve for x
    x = 58,206,083,971.74/382,028.20
  6. Step 6: Final answer
    x = 152,360.70

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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.