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Finding the Fourth Proportional to 361,995.62, 499,567.37 and 218,727.95

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Solution

The fourth proportional to 361,995.62, 499,567.37 and 218,727.95 is: 301,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,995.62 : 499,567.37 = 218,727.95 : x
  2. Step 2: Convert to fraction form
    361,995.62/499,567.37 = 218,727.95/x
  3. Step 3: Cross multiply
    361,995.62x = 499,567.37 × 218,727.95
  4. Step 4: Simplify right side
    361,995.62x = 109,269,343,135.52
  5. Step 5: Solve for x
    x = 109,269,343,135.52/361,995.62
  6. Step 6: Final answer
    x = 301,852.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.