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Finding the Fourth Proportional to 504,103.06, 695,629.69 and 300,168.96

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Solution

The fourth proportional to 504,103.06, 695,629.69 and 300,168.96 is: 414,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,103.06 : 695,629.69 = 300,168.96 : x
  2. Step 2: Convert to fraction form
    504,103.06/695,629.69 = 300,168.96/x
  3. Step 3: Cross multiply
    504,103.06x = 695,629.69 × 300,168.96
  4. Step 4: Simplify right side
    504,103.06x = 208,806,440,592.42
  5. Step 5: Solve for x
    x = 208,806,440,592.42/504,103.06
  6. Step 6: Final answer
    x = 414,213.79

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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.