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Finding the Fourth Proportional to 497,173.44, 686,101.92 and 270,818.88

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Solution

The fourth proportional to 497,173.44, 686,101.92 and 270,818.88 is: 373,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,173.44 : 686,101.92 = 270,818.88 : x
  2. Step 2: Convert to fraction form
    497,173.44/686,101.92 = 270,818.88/x
  3. Step 3: Cross multiply
    497,173.44x = 686,101.92 × 270,818.88
  4. Step 4: Simplify right side
    497,173.44x = 185,809,353,540.25
  5. Step 5: Solve for x
    x = 185,809,353,540.25/497,173.44
  6. Step 6: Final answer
    x = 373,731.46

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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.