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Finding the Fourth Proportional to 336,963.12, 465,033.60 and 193,768.08

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Solution

The fourth proportional to 336,963.12, 465,033.60 and 193,768.08 is: 267,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,963.12 : 465,033.60 = 193,768.08 : x
  2. Step 2: Convert to fraction form
    336,963.12/465,033.60 = 193,768.08/x
  3. Step 3: Cross multiply
    336,963.12x = 465,033.60 × 193,768.08
  4. Step 4: Simplify right side
    336,963.12x = 90,108,667,807.49
  5. Step 5: Solve for x
    x = 90,108,667,807.49/336,963.12
  6. Step 6: Final answer
    x = 267,414.04

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1.5x scale

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.