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Finding the Fourth Proportional to 384,926.82, 577,353.11 and 118,615.83

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Solution

The fourth proportional to 384,926.82, 577,353.11 and 118,615.83 is: 177,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,926.82 : 577,353.11 = 118,615.83 : x
  2. Step 2: Convert to fraction form
    384,926.82/577,353.11 = 118,615.83/x
  3. Step 3: Cross multiply
    384,926.82x = 577,353.11 × 118,615.83
  4. Step 4: Simplify right side
    384,926.82x = 68,483,217,752.65
  5. Step 5: Solve for x
    x = 68,483,217,752.65/384,926.82
  6. Step 6: Final answer
    x = 177,912.30

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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.