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Finding the Fourth Proportional to 504,047.30, 756,204.60 and 219,615.80

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Solution

The fourth proportional to 504,047.30, 756,204.60 and 219,615.80 is: 329,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,047.30 : 756,204.60 = 219,615.80 : x
  2. Step 2: Convert to fraction form
    504,047.30/756,204.60 = 219,615.80/x
  3. Step 3: Cross multiply
    504,047.30x = 756,204.60 × 219,615.80
  4. Step 4: Simplify right side
    504,047.30x = 166,074,478,192.68
  5. Step 5: Solve for x
    x = 166,074,478,192.68/504,047.30
  6. Step 6: Final answer
    x = 329,481.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.