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Finding the Fourth Proportional to 356,959.68, 492,608.16 and 195,815.04

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Solution

The fourth proportional to 356,959.68, 492,608.16 and 195,815.04 is: 270,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,959.68 : 492,608.16 = 195,815.04 : x
  2. Step 2: Convert to fraction form
    356,959.68/492,608.16 = 195,815.04/x
  3. Step 3: Cross multiply
    356,959.68x = 492,608.16 × 195,815.04
  4. Step 4: Simplify right side
    356,959.68x = 96,460,086,554.73
  5. Step 5: Solve for x
    x = 96,460,086,554.73/356,959.68
  6. Step 6: Final answer
    x = 270,226.84

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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.