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Finding the Fourth Proportional to 382,031.20, 573,046.80 and 101,576.80

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Solution

The fourth proportional to 382,031.20, 573,046.80 and 101,576.80 is: 152,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,031.20 : 573,046.80 = 101,576.80 : x
  2. Step 2: Convert to fraction form
    382,031.20/573,046.80 = 101,576.80/x
  3. Step 3: Cross multiply
    382,031.20x = 573,046.80 × 101,576.80
  4. Step 4: Simplify right side
    382,031.20x = 58,208,260,194.24
  5. Step 5: Solve for x
    x = 58,208,260,194.24/382,031.20
  6. Step 6: Final answer
    x = 152,365.20

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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.