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Finding the Fourth Proportional to 265,447.20, 397,911.60 and 237,453.60

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Solution

The fourth proportional to 265,447.20, 397,911.60 and 237,453.60 is: 355,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,447.20 : 397,911.60 = 237,453.60 : x
  2. Step 2: Convert to fraction form
    265,447.20/397,911.60 = 237,453.60/x
  3. Step 3: Cross multiply
    265,447.20x = 397,911.60 × 237,453.60
  4. Step 4: Simplify right side
    265,447.20x = 94,485,541,901.76
  5. Step 5: Solve for x
    x = 94,485,541,901.76/265,447.20
  6. Step 6: Final answer
    x = 355,948.53

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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.