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Finding the Fourth Proportional to 417,687.36, 625,471.20 and 350,041.56

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Solution

The fourth proportional to 417,687.36, 625,471.20 and 350,041.56 is: 524,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,687.36 : 625,471.20 = 350,041.56 : x
  2. Step 2: Convert to fraction form
    417,687.36/625,471.20 = 350,041.56/x
  3. Step 3: Cross multiply
    417,687.36x = 625,471.20 × 350,041.56
  4. Step 4: Simplify right side
    417,687.36x = 218,940,914,583.07
  5. Step 5: Solve for x
    x = 218,940,914,583.07/417,687.36
  6. Step 6: Final answer
    x = 524,174.14

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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.