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Finding the Fourth Proportional to 719,777.13, 1,080,330 and 365,040.27

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Solution

The fourth proportional to 719,777.13, 1,080,330 and 365,040.27 is: 547,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,777.13 : 1,080,330 = 365,040.27 : x
  2. Step 2: Convert to fraction form
    719,777.13/1,080,330 = 365,040.27/x
  3. Step 3: Cross multiply
    719,777.13x = 1,080,330 × 365,040.27
  4. Step 4: Simplify right side
    719,777.13x = 394,363,954,889.10
  5. Step 5: Solve for x
    x = 394,363,954,889.10/719,777.13
  6. Step 6: Final answer
    x = 547,897.31

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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.