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Finding the Fourth Proportional to 492,250.20, 738,375.38 and 118,273.20

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Solution

The fourth proportional to 492,250.20, 738,375.38 and 118,273.20 is: 177,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,250.20 : 738,375.38 = 118,273.20 : x
  2. Step 2: Convert to fraction form
    492,250.20/738,375.38 = 118,273.20/x
  3. Step 3: Cross multiply
    492,250.20x = 738,375.38 × 118,273.20
  4. Step 4: Simplify right side
    492,250.20x = 87,330,018,402.45
  5. Step 5: Solve for x
    x = 87,330,018,402.45/492,250.20
  6. Step 6: Final answer
    x = 177,409.82

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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.