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Finding the Fourth Proportional to 503,999.01, 695,517.03 and 277,644.51

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Solution

The fourth proportional to 503,999.01, 695,517.03 and 277,644.51 is: 383,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,999.01 : 695,517.03 = 277,644.51 : x
  2. Step 2: Convert to fraction form
    503,999.01/695,517.03 = 277,644.51/x
  3. Step 3: Cross multiply
    503,999.01x = 695,517.03 × 277,644.51
  4. Step 4: Simplify right side
    503,999.01x = 193,106,484,991.01
  5. Step 5: Solve for x
    x = 193,106,484,991.01/503,999.01
  6. Step 6: Final answer
    x = 383,148.54

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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.