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Finding the Fourth Proportional to 655,427.34, 983,140.56 and 182,112.48

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Solution

The fourth proportional to 655,427.34, 983,140.56 and 182,112.48 is: 273,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,427.34 : 983,140.56 = 182,112.48 : x
  2. Step 2: Convert to fraction form
    655,427.34/983,140.56 = 182,112.48/x
  3. Step 3: Cross multiply
    655,427.34x = 983,140.56 × 182,112.48
  4. Step 4: Simplify right side
    655,427.34x = 179,042,165,570.19
  5. Step 5: Solve for x
    x = 179,042,165,570.19/655,427.34
  6. Step 6: Final answer
    x = 273,168.59

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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.