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Finding the Fourth Proportional to 503,477.25, 694,801.50 and 274,034.00

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Solution

The fourth proportional to 503,477.25, 694,801.50 and 274,034.00 is: 378,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,477.25 : 694,801.50 = 274,034.00 : x
  2. Step 2: Convert to fraction form
    503,477.25/694,801.50 = 274,034.00/x
  3. Step 3: Cross multiply
    503,477.25x = 694,801.50 × 274,034.00
  4. Step 4: Simplify right side
    503,477.25x = 190,399,230,776.99
  5. Step 5: Solve for x
    x = 190,399,230,776.99/503,477.25
  6. Step 6: Final answer
    x = 378,168.49

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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.