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Finding the Fourth Proportional to 572,893.56, 859,361.94 and 217,841.40

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Solution

The fourth proportional to 572,893.56, 859,361.94 and 217,841.40 is: 326,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,893.56 : 859,361.94 = 217,841.40 : x
  2. Step 2: Convert to fraction form
    572,893.56/859,361.94 = 217,841.40/x
  3. Step 3: Cross multiply
    572,893.56x = 859,361.94 × 217,841.40
  4. Step 4: Simplify right side
    572,893.56x = 187,204,608,116.32
  5. Step 5: Solve for x
    x = 187,204,608,116.32/572,893.56
  6. Step 6: Final answer
    x = 326,770.31

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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.