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Finding the Fourth Proportional to 526,564.56, 789,362.24 and 286,327.48

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Solution

The fourth proportional to 526,564.56, 789,362.24 and 286,327.48 is: 429,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,564.56 : 789,362.24 = 286,327.48 : x
  2. Step 2: Convert to fraction form
    526,564.56/789,362.24 = 286,327.48/x
  3. Step 3: Cross multiply
    526,564.56x = 789,362.24 × 286,327.48
  4. Step 4: Simplify right side
    526,564.56x = 226,016,100,986.36
  5. Step 5: Solve for x
    x = 226,016,100,986.36/526,564.56
  6. Step 6: Final answer
    x = 429,227.71

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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.