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Finding the Fourth Proportional to 265,203.90, 397,222.65 and 230,211.90

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Solution

The fourth proportional to 265,203.90, 397,222.65 and 230,211.90 is: 344,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,203.90 : 397,222.65 = 230,211.90 : x
  2. Step 2: Convert to fraction form
    265,203.90/397,222.65 = 230,211.90/x
  3. Step 3: Cross multiply
    265,203.90x = 397,222.65 × 230,211.90
  4. Step 4: Simplify right side
    265,203.90x = 91,445,380,979.54
  5. Step 5: Solve for x
    x = 91,445,380,979.54/265,203.90
  6. Step 6: Final answer
    x = 344,811.60

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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.