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Finding the Fourth Proportional to 503,203.90, 694,426.89 and 273,762.49

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Solution

The fourth proportional to 503,203.90, 694,426.89 and 273,762.49 is: 377,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,203.90 : 694,426.89 = 273,762.49 : x
  2. Step 2: Convert to fraction form
    503,203.90/694,426.89 = 273,762.49/x
  3. Step 3: Cross multiply
    503,203.90x = 694,426.89 × 273,762.49
  4. Step 4: Simplify right side
    503,203.90x = 190,108,034,529.36
  5. Step 5: Solve for x
    x = 190,108,034,529.36/503,203.90
  6. Step 6: Final answer
    x = 377,795.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.