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Finding the Fourth Proportional to 341,012.39, 470,639.53 and 195,863.63

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Solution

The fourth proportional to 341,012.39, 470,639.53 and 195,863.63 is: 270,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,012.39 : 470,639.53 = 195,863.63 : x
  2. Step 2: Convert to fraction form
    341,012.39/470,639.53 = 195,863.63/x
  3. Step 3: Cross multiply
    341,012.39x = 470,639.53 × 195,863.63
  4. Step 4: Simplify right side
    341,012.39x = 92,181,166,767.29
  5. Step 5: Solve for x
    x = 92,181,166,767.29/341,012.39
  6. Step 6: Final answer
    x = 270,316.18

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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.