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Finding the Fourth Proportional to 342,486.16, 511,629.14 and 246,900.59

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Solution

The fourth proportional to 342,486.16, 511,629.14 and 246,900.59 is: 368,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,486.16 : 511,629.14 = 246,900.59 : x
  2. Step 2: Convert to fraction form
    342,486.16/511,629.14 = 246,900.59/x
  3. Step 3: Cross multiply
    342,486.16x = 511,629.14 × 246,900.59
  4. Step 4: Simplify right side
    342,486.16x = 126,321,532,734.54
  5. Step 5: Solve for x
    x = 126,321,532,734.54/342,486.16
  6. Step 6: Final answer
    x = 368,836.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.