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Finding the Fourth Proportional to 526,781.88, 790,198.20 and 171,795.24

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Solution

The fourth proportional to 526,781.88, 790,198.20 and 171,795.24 is: 257,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,781.88 : 790,198.20 = 171,795.24 : x
  2. Step 2: Convert to fraction form
    526,781.88/790,198.20 = 171,795.24/x
  3. Step 3: Cross multiply
    526,781.88x = 790,198.20 × 171,795.24
  4. Step 4: Simplify right side
    526,781.88x = 135,752,289,416.57
  5. Step 5: Solve for x
    x = 135,752,289,416.57/526,781.88
  6. Step 6: Final answer
    x = 257,701.14

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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.