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Finding the Fourth Proportional to 526,634.30, 790,033.40 and 171,565.67

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Solution

The fourth proportional to 526,634.30, 790,033.40 and 171,565.67 is: 257,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,634.30 : 790,033.40 = 171,565.67 : x
  2. Step 2: Convert to fraction form
    526,634.30/790,033.40 = 171,565.67/x
  3. Step 3: Cross multiply
    526,634.30x = 790,033.40 × 171,565.67
  4. Step 4: Simplify right side
    526,634.30x = 135,542,609,593.38
  5. Step 5: Solve for x
    x = 135,542,609,593.38/526,634.30
  6. Step 6: Final answer
    x = 257,375.20

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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.