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Finding the Fourth Proportional to 526,609.08, 789,762.83 and 171,654.12

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Solution

The fourth proportional to 526,609.08, 789,762.83 and 171,654.12 is: 257,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,609.08 : 789,762.83 = 171,654.12 : x
  2. Step 2: Convert to fraction form
    526,609.08/789,762.83 = 171,654.12/x
  3. Step 3: Cross multiply
    526,609.08x = 789,762.83 × 171,654.12
  4. Step 4: Simplify right side
    526,609.08x = 135,566,042,734.09
  5. Step 5: Solve for x
    x = 135,566,042,734.09/526,609.08
  6. Step 6: Final answer
    x = 257,432.03

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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.