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Finding the Fourth Proportional to 425,163.69, 586,703.73 and 264,015.27

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Solution

The fourth proportional to 425,163.69, 586,703.73 and 264,015.27 is: 364,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,163.69 : 586,703.73 = 264,015.27 : x
  2. Step 2: Convert to fraction form
    425,163.69/586,703.73 = 264,015.27/x
  3. Step 3: Cross multiply
    425,163.69x = 586,703.73 × 264,015.27
  4. Step 4: Simplify right side
    425,163.69x = 154,898,743,685.96
  5. Step 5: Solve for x
    x = 154,898,743,685.96/425,163.69
  6. Step 6: Final answer
    x = 364,327.31

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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.