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Finding the Fourth Proportional to 503,907.63, 695,392.39 and 277,553.13

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Solution

The fourth proportional to 503,907.63, 695,392.39 and 277,553.13 is: 383,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,907.63 : 695,392.39 = 277,553.13 : x
  2. Step 2: Convert to fraction form
    503,907.63/695,392.39 = 277,553.13/x
  3. Step 3: Cross multiply
    503,907.63x = 695,392.39 × 277,553.13
  4. Step 4: Simplify right side
    503,907.63x = 193,008,330,251.84
  5. Step 5: Solve for x
    x = 193,008,330,251.84/503,907.63
  6. Step 6: Final answer
    x = 383,023.24

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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.