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Finding the Fourth Proportional to 263,492.91, 395,238.05 and 63,813.29

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Solution

The fourth proportional to 263,492.91, 395,238.05 and 63,813.29 is: 95,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,492.91 : 395,238.05 = 63,813.29 : x
  2. Step 2: Convert to fraction form
    263,492.91/395,238.05 = 63,813.29/x
  3. Step 3: Cross multiply
    263,492.91x = 395,238.05 × 63,813.29
  4. Step 4: Simplify right side
    263,492.91x = 25,221,440,972.71
  5. Step 5: Solve for x
    x = 25,221,440,972.71/263,492.91
  6. Step 6: Final answer
    x = 95,719.62

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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.