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Finding the Fourth Proportional to 503,907.53, 695,392.26 and 277,553.03

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Solution

The fourth proportional to 503,907.53, 695,392.26 and 277,553.03 is: 383,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,907.53 : 695,392.26 = 277,553.03 : x
  2. Step 2: Convert to fraction form
    503,907.53/695,392.26 = 277,553.03/x
  3. Step 3: Cross multiply
    503,907.53x = 695,392.26 × 277,553.03
  4. Step 4: Simplify right side
    503,907.53x = 193,008,228,801.55
  5. Step 5: Solve for x
    x = 193,008,228,801.55/503,907.53
  6. Step 6: Final answer
    x = 383,023.11

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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.