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Finding the Fourth Proportional to 567,190.84, 850,802.76 and 212,137.12

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Solution

The fourth proportional to 567,190.84, 850,802.76 and 212,137.12 is: 318,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,190.84 : 850,802.76 = 212,137.12 : x
  2. Step 2: Convert to fraction form
    567,190.84/850,802.76 = 212,137.12/x
  3. Step 3: Cross multiply
    567,190.84x = 850,802.76 × 212,137.12
  4. Step 4: Simplify right side
    567,190.84x = 180,486,847,194.45
  5. Step 5: Solve for x
    x = 180,486,847,194.45/567,190.84
  6. Step 6: Final answer
    x = 318,211.85

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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.