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Finding the Fourth Proportional to 341,798.42, 512,364.42 and 136,571.91

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Solution

The fourth proportional to 341,798.42, 512,364.42 and 136,571.91 is: 204,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,798.42 : 512,364.42 = 136,571.91 : x
  2. Step 2: Convert to fraction form
    341,798.42/512,364.42 = 136,571.91/x
  3. Step 3: Cross multiply
    341,798.42x = 512,364.42 × 136,571.91
  4. Step 4: Simplify right side
    341,798.42x = 69,974,587,455.44
  5. Step 5: Solve for x
    x = 69,974,587,455.44/341,798.42
  6. Step 6: Final answer
    x = 204,724.73

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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.