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Finding the Fourth Proportional to 536,309.30, 740,212.36 and 303,777.81

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Solution

The fourth proportional to 536,309.30, 740,212.36 and 303,777.81 is: 419,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,309.30 : 740,212.36 = 303,777.81 : x
  2. Step 2: Convert to fraction form
    536,309.30/740,212.36 = 303,777.81/x
  3. Step 3: Cross multiply
    536,309.30x = 740,212.36 × 303,777.81
  4. Step 4: Simplify right side
    536,309.30x = 224,860,088,896.29
  5. Step 5: Solve for x
    x = 224,860,088,896.29/536,309.30
  6. Step 6: Final answer
    x = 419,273.15

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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.