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Finding the Fourth Proportional to 341,012.30, 470,639.40 and 195,863.54

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Solution

The fourth proportional to 341,012.30, 470,639.40 and 195,863.54 is: 270,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,012.30 : 470,639.40 = 195,863.54 : x
  2. Step 2: Convert to fraction form
    341,012.30/470,639.40 = 195,863.54/x
  3. Step 3: Cross multiply
    341,012.30x = 470,639.40 × 195,863.54
  4. Step 4: Simplify right side
    341,012.30x = 92,181,098,947.48
  5. Step 5: Solve for x
    x = 92,181,098,947.48/341,012.30
  6. Step 6: Final answer
    x = 270,316.05

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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.