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Finding the Fourth Proportional to 263,563.53, 395,341.80 and 63,885.72

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Solution

The fourth proportional to 263,563.53, 395,341.80 and 63,885.72 is: 95,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,563.53 : 395,341.80 = 63,885.72 : x
  2. Step 2: Convert to fraction form
    263,563.53/395,341.80 = 63,885.72/x
  3. Step 3: Cross multiply
    263,563.53x = 395,341.80 × 63,885.72
  4. Step 4: Simplify right side
    263,563.53x = 25,256,695,539.10
  5. Step 5: Solve for x
    x = 25,256,695,539.10/263,563.53
  6. Step 6: Final answer
    x = 95,827.73

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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.