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Finding the Fourth Proportional to 417,688.36, 625,472.70 and 350,042.56

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Solution

The fourth proportional to 417,688.36, 625,472.70 and 350,042.56 is: 524,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,688.36 : 625,472.70 = 350,042.56 : x
  2. Step 2: Convert to fraction form
    417,688.36/625,472.70 = 350,042.56/x
  3. Step 3: Cross multiply
    417,688.36x = 625,472.70 × 350,042.56
  4. Step 4: Simplify right side
    417,688.36x = 218,942,065,118.11
  5. Step 5: Solve for x
    x = 218,942,065,118.11/417,688.36
  6. Step 6: Final answer
    x = 524,175.64

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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.