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Finding the Fourth Proportional to 543,596.76, 814,779.92 and 276,793.68

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Solution

The fourth proportional to 543,596.76, 814,779.92 and 276,793.68 is: 414,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,596.76 : 814,779.92 = 276,793.68 : x
  2. Step 2: Convert to fraction form
    543,596.76/814,779.92 = 276,793.68/x
  3. Step 3: Cross multiply
    543,596.76x = 814,779.92 × 276,793.68
  4. Step 4: Simplify right side
    543,596.76x = 225,525,932,446.91
  5. Step 5: Solve for x
    x = 225,525,932,446.91/543,596.76
  6. Step 6: Final answer
    x = 414,877.26

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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.