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Finding the Fourth Proportional to 341,012.33, 470,639.45 and 195,863.57

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Solution

The fourth proportional to 341,012.33, 470,639.45 and 195,863.57 is: 270,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,012.33 : 470,639.45 = 195,863.57 : x
  2. Step 2: Convert to fraction form
    341,012.33/470,639.45 = 195,863.57/x
  3. Step 3: Cross multiply
    341,012.33x = 470,639.45 × 195,863.57
  4. Step 4: Simplify right side
    341,012.33x = 92,181,123,057.12
  5. Step 5: Solve for x
    x = 92,181,123,057.12/341,012.33
  6. Step 6: Final answer
    x = 270,316.10

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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.