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Finding the Fourth Proportional to 264,818.75, 397,406.73 and 98,606.75

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Solution

The fourth proportional to 264,818.75, 397,406.73 and 98,606.75 is: 147,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,818.75 : 397,406.73 = 98,606.75 : x
  2. Step 2: Convert to fraction form
    264,818.75/397,406.73 = 98,606.75/x
  3. Step 3: Cross multiply
    264,818.75x = 397,406.73 × 98,606.75
  4. Step 4: Simplify right side
    264,818.75x = 39,186,986,073.43
  5. Step 5: Solve for x
    x = 39,186,986,073.43/264,818.75
  6. Step 6: Final answer
    x = 147,976.63

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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.