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Finding the Fourth Proportional to 501,358.80, 752,135.40 and 252,040.80

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Solution

The fourth proportional to 501,358.80, 752,135.40 and 252,040.80 is: 378,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,358.80 : 752,135.40 = 252,040.80 : x
  2. Step 2: Convert to fraction form
    501,358.80/752,135.40 = 252,040.80/x
  3. Step 3: Cross multiply
    501,358.80x = 752,135.40 × 252,040.80
  4. Step 4: Simplify right side
    501,358.80x = 189,568,807,924.32
  5. Step 5: Solve for x
    x = 189,568,807,924.32/501,358.80
  6. Step 6: Final answer
    x = 378,110.06

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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.