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Finding the Fourth Proportional to 382,072.26, 572,320.80 and 223,820.94

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Solution

The fourth proportional to 382,072.26, 572,320.80 and 223,820.94 is: 335,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,072.26 : 572,320.80 = 223,820.94 : x
  2. Step 2: Convert to fraction form
    382,072.26/572,320.80 = 223,820.94/x
  3. Step 3: Cross multiply
    382,072.26x = 572,320.80 × 223,820.94
  4. Step 4: Simplify right side
    382,072.26x = 128,097,379,437.55
  5. Step 5: Solve for x
    x = 128,097,379,437.55/382,072.26
  6. Step 6: Final answer
    x = 335,270.03

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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.