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Finding the Fourth Proportional to 526,291.75, 789,535.01 and 166,553.14

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Solution

The fourth proportional to 526,291.75, 789,535.01 and 166,553.14 is: 249,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,291.75 : 789,535.01 = 166,553.14 : x
  2. Step 2: Convert to fraction form
    526,291.75/789,535.01 = 166,553.14/x
  3. Step 3: Cross multiply
    526,291.75x = 789,535.01 × 166,553.14
  4. Step 4: Simplify right side
    526,291.75x = 131,499,535,055.43
  5. Step 5: Solve for x
    x = 131,499,535,055.43/526,291.75
  6. Step 6: Final answer
    x = 249,860.53

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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.