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Finding the Fourth Proportional to 567,072.90, 850,581.09 and 212,060.82

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Solution

The fourth proportional to 567,072.90, 850,581.09 and 212,060.82 is: 318,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,072.90 : 850,581.09 = 212,060.82 : x
  2. Step 2: Convert to fraction form
    567,072.90/850,581.09 = 212,060.82/x
  3. Step 3: Cross multiply
    567,072.90x = 850,581.09 × 212,060.82
  4. Step 4: Simplify right side
    567,072.90x = 180,374,923,421.89
  5. Step 5: Solve for x
    x = 180,374,923,421.89/567,072.90
  6. Step 6: Final answer
    x = 318,080.66

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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.