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Finding the Fourth Proportional to 491,751.40, 737,627.10 and 159,327.40

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Solution

The fourth proportional to 491,751.40, 737,627.10 and 159,327.40 is: 238,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,751.40 : 737,627.10 = 159,327.40 : x
  2. Step 2: Convert to fraction form
    491,751.40/737,627.10 = 159,327.40/x
  3. Step 3: Cross multiply
    491,751.40x = 737,627.10 × 159,327.40
  4. Step 4: Simplify right side
    491,751.40x = 117,524,208,012.54
  5. Step 5: Solve for x
    x = 117,524,208,012.54/491,751.40
  6. Step 6: Final answer
    x = 238,991.10

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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.