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Finding the Fourth Proportional to 501,340.80, 752,108.40 and 252,022.80

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Solution

The fourth proportional to 501,340.80, 752,108.40 and 252,022.80 is: 378,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,340.80 : 752,108.40 = 252,022.80 : x
  2. Step 2: Convert to fraction form
    501,340.80/752,108.40 = 252,022.80/x
  3. Step 3: Cross multiply
    501,340.80x = 752,108.40 × 252,022.80
  4. Step 4: Simplify right side
    501,340.80x = 189,548,464,871.52
  5. Step 5: Solve for x
    x = 189,548,464,871.52/501,340.80
  6. Step 6: Final answer
    x = 378,083.06

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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.