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Finding the Fourth Proportional to 345,389.87, 476,673.05 and 192,452.96

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Solution

The fourth proportional to 345,389.87, 476,673.05 and 192,452.96 is: 265,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,389.87 : 476,673.05 = 192,452.96 : x
  2. Step 2: Convert to fraction form
    345,389.87/476,673.05 = 192,452.96/x
  3. Step 3: Cross multiply
    345,389.87x = 476,673.05 × 192,452.96
  4. Step 4: Simplify right side
    345,389.87x = 91,737,141,097.54
  5. Step 5: Solve for x
    x = 91,737,141,097.54/345,389.87
  6. Step 6: Final answer
    x = 265,604.61

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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.