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Finding the Fourth Proportional to 264,908.70, 397,363.05 and 236,040.30

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Solution

The fourth proportional to 264,908.70, 397,363.05 and 236,040.30 is: 354,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,908.70 : 397,363.05 = 236,040.30 : x
  2. Step 2: Convert to fraction form
    264,908.70/397,363.05 = 236,040.30/x
  3. Step 3: Cross multiply
    264,908.70x = 397,363.05 × 236,040.30
  4. Step 4: Simplify right side
    264,908.70x = 93,793,693,530.92
  5. Step 5: Solve for x
    x = 93,793,693,530.92/264,908.70
  6. Step 6: Final answer
    x = 354,060.45

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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.