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Finding the Fourth Proportional to 345,510.60, 476,819.34 and 192,548.97

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Solution

The fourth proportional to 345,510.60, 476,819.34 and 192,548.97 is: 265,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,510.60 : 476,819.34 = 192,548.97 : x
  2. Step 2: Convert to fraction form
    345,510.60/476,819.34 = 192,548.97/x
  3. Step 3: Cross multiply
    345,510.60x = 476,819.34 × 192,548.97
  4. Step 4: Simplify right side
    345,510.60x = 91,811,072,793.08
  5. Step 5: Solve for x
    x = 91,811,072,793.08/345,510.60
  6. Step 6: Final answer
    x = 265,725.78

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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.