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Finding the Fourth Proportional to 603,674.71, 832,576.73 and 374,072.51

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Solution

The fourth proportional to 603,674.71, 832,576.73 and 374,072.51 is: 515,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,674.71 : 832,576.73 = 374,072.51 : x
  2. Step 2: Convert to fraction form
    603,674.71/832,576.73 = 374,072.51/x
  3. Step 3: Cross multiply
    603,674.71x = 832,576.73 × 374,072.51
  4. Step 4: Simplify right side
    603,674.71x = 311,444,067,369.77
  5. Step 5: Solve for x
    x = 311,444,067,369.77/603,674.71
  6. Step 6: Final answer
    x = 515,913.73

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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.