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Finding the Fourth Proportional to 503,999.12, 695,518.48 and 277,644.62

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Solution

The fourth proportional to 503,999.12, 695,518.48 and 277,644.62 is: 383,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,999.12 : 695,518.48 = 277,644.62 : x
  2. Step 2: Convert to fraction form
    503,999.12/695,518.48 = 277,644.62/x
  3. Step 3: Cross multiply
    503,999.12x = 695,518.48 × 277,644.62
  4. Step 4: Simplify right side
    503,999.12x = 193,106,964,082.58
  5. Step 5: Solve for x
    x = 193,106,964,082.58/503,999.12
  6. Step 6: Final answer
    x = 383,149.41

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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.