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Finding the Fourth Proportional to 341,665.28, 471,492.96 and 198,505.60

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Solution

The fourth proportional to 341,665.28, 471,492.96 and 198,505.60 is: 273,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,665.28 : 471,492.96 = 198,505.60 : x
  2. Step 2: Convert to fraction form
    341,665.28/471,492.96 = 198,505.60/x
  3. Step 3: Cross multiply
    341,665.28x = 471,492.96 × 198,505.60
  4. Step 4: Simplify right side
    341,665.28x = 93,593,992,920.58
  5. Step 5: Solve for x
    x = 93,593,992,920.58/341,665.28
  6. Step 6: Final answer
    x = 273,934.75

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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.