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Finding the Fourth Proportional to 365,729.88, 548,812.86 and 163,310.34

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Solution

The fourth proportional to 365,729.88, 548,812.86 and 163,310.34 is: 245,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,729.88 : 548,812.86 = 163,310.34 : x
  2. Step 2: Convert to fraction form
    365,729.88/548,812.86 = 163,310.34/x
  3. Step 3: Cross multiply
    365,729.88x = 548,812.86 × 163,310.34
  4. Step 4: Simplify right side
    365,729.88x = 89,626,814,762.97
  5. Step 5: Solve for x
    x = 89,626,814,762.97/365,729.88
  6. Step 6: Final answer
    x = 245,062.87

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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.