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Finding the Fourth Proportional to 567,620.84, 850,969.56 and 212,435.84

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Solution

The fourth proportional to 567,620.84, 850,969.56 and 212,435.84 is: 318,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,620.84 : 850,969.56 = 212,435.84 : x
  2. Step 2: Convert to fraction form
    567,620.84/850,969.56 = 212,435.84/x
  3. Step 3: Cross multiply
    567,620.84x = 850,969.56 × 212,435.84
  4. Step 4: Simplify right side
    567,620.84x = 180,776,433,293.03
  5. Step 5: Solve for x
    x = 180,776,433,293.03/567,620.84
  6. Step 6: Final answer
    x = 318,480.97

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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.