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Finding the Fourth Proportional to 252,022.90, 378,034.35 and 236,470.90

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Solution

The fourth proportional to 252,022.90, 378,034.35 and 236,470.90 is: 354,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,022.90 : 378,034.35 = 236,470.90 : x
  2. Step 2: Convert to fraction form
    252,022.90/378,034.35 = 236,470.90/x
  3. Step 3: Cross multiply
    252,022.90x = 378,034.35 × 236,470.90
  4. Step 4: Simplify right side
    252,022.90x = 89,394,122,975.42
  5. Step 5: Solve for x
    x = 89,394,122,975.42/252,022.90
  6. Step 6: Final answer
    x = 354,706.35

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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.