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Finding the Fourth Proportional to 265,013.60, 397,522.77 and 75,473.81

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Solution

The fourth proportional to 265,013.60, 397,522.77 and 75,473.81 is: 113,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,013.60 : 397,522.77 = 75,473.81 : x
  2. Step 2: Convert to fraction form
    265,013.60/397,522.77 = 75,473.81/x
  3. Step 3: Cross multiply
    265,013.60x = 397,522.77 × 75,473.81
  4. Step 4: Simplify right side
    265,013.60x = 30,002,558,013.65
  5. Step 5: Solve for x
    x = 30,002,558,013.65/265,013.60
  6. Step 6: Final answer
    x = 113,211.39

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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.