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Finding the Fourth Proportional to 632,504.56, 872,895 and 364,318.96

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Solution

The fourth proportional to 632,504.56, 872,895 and 364,318.96 is: 502,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,504.56 : 872,895 = 364,318.96 : x
  2. Step 2: Convert to fraction form
    632,504.56/872,895 = 364,318.96/x
  3. Step 3: Cross multiply
    632,504.56x = 872,895 × 364,318.96
  4. Step 4: Simplify right side
    632,504.56x = 318,012,198,589.20
  5. Step 5: Solve for x
    x = 318,012,198,589.20/632,504.56
  6. Step 6: Final answer
    x = 502,782.46

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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.