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Finding the Fourth Proportional to 504,967.20, 696,930.24 and 323,883.36

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Solution

The fourth proportional to 504,967.20, 696,930.24 and 323,883.36 is: 447,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,967.20 : 696,930.24 = 323,883.36 : x
  2. Step 2: Convert to fraction form
    504,967.20/696,930.24 = 323,883.36/x
  3. Step 3: Cross multiply
    504,967.20x = 696,930.24 × 323,883.36
  4. Step 4: Simplify right side
    504,967.20x = 225,724,107,816.81
  5. Step 5: Solve for x
    x = 225,724,107,816.81/504,967.20
  6. Step 6: Final answer
    x = 447,007.46

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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.