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Finding the Fourth Proportional to 341,872.79, 471,708.66 and 196,669.65

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Solution

The fourth proportional to 341,872.79, 471,708.66 and 196,669.65 is: 271,360.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,872.79 : 471,708.66 = 196,669.65 : x
  2. Step 2: Convert to fraction form
    341,872.79/471,708.66 = 196,669.65/x
  3. Step 3: Cross multiply
    341,872.79x = 471,708.66 × 196,669.65
  4. Step 4: Simplify right side
    341,872.79x = 92,770,779,570.59
  5. Step 5: Solve for x
    x = 92,770,779,570.59/341,872.79
  6. Step 6: Final answer
    x = 271,360.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.