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Finding the Fourth Proportional to 325,536.87, 488,445.34 and 175,747.42

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Solution

The fourth proportional to 325,536.87, 488,445.34 and 175,747.42 is: 263,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,536.87 : 488,445.34 = 175,747.42 : x
  2. Step 2: Convert to fraction form
    325,536.87/488,445.34 = 175,747.42/x
  3. Step 3: Cross multiply
    325,536.87x = 488,445.34 × 175,747.42
  4. Step 4: Simplify right side
    325,536.87x = 85,843,008,816.74
  5. Step 5: Solve for x
    x = 85,843,008,816.74/325,536.87
  6. Step 6: Final answer
    x = 263,696.73

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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.