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Finding the Fourth Proportional to 252,966.70, 378,770.06 and 192,708.10

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Solution

The fourth proportional to 252,966.70, 378,770.06 and 192,708.10 is: 288,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,966.70 : 378,770.06 = 192,708.10 : x
  2. Step 2: Convert to fraction form
    252,966.70/378,770.06 = 192,708.10/x
  3. Step 3: Cross multiply
    252,966.70x = 378,770.06 × 192,708.10
  4. Step 4: Simplify right side
    252,966.70x = 72,992,058,599.49
  5. Step 5: Solve for x
    x = 72,992,058,599.49/252,966.70
  6. Step 6: Final answer
    x = 288,544.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.