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Finding the Fourth Proportional to 442,641.82, 610,893.02 and 270,660.58

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Solution

The fourth proportional to 442,641.82, 610,893.02 and 270,660.58 is: 373,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,641.82 : 610,893.02 = 270,660.58 : x
  2. Step 2: Convert to fraction form
    442,641.82/610,893.02 = 270,660.58/x
  3. Step 3: Cross multiply
    442,641.82x = 610,893.02 × 270,660.58
  4. Step 4: Simplify right side
    442,641.82x = 165,344,659,111.15
  5. Step 5: Solve for x
    x = 165,344,659,111.15/442,641.82
  6. Step 6: Final answer
    x = 373,540.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.