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Finding the Fourth Proportional to 265,236.74, 397,851.24 and 65,557.15

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Solution

The fourth proportional to 265,236.74, 397,851.24 and 65,557.15 is: 98,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,236.74 : 397,851.24 = 65,557.15 : x
  2. Step 2: Convert to fraction form
    265,236.74/397,851.24 = 65,557.15/x
  3. Step 3: Cross multiply
    265,236.74x = 397,851.24 × 65,557.15
  4. Step 4: Simplify right side
    265,236.74x = 26,081,992,254.72
  5. Step 5: Solve for x
    x = 26,081,992,254.72/265,236.74
  6. Step 6: Final answer
    x = 98,334.76

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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.