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Finding the Fourth Proportional to 504,968.46, 696,226.17 and 323,381.85

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Solution

The fourth proportional to 504,968.46, 696,226.17 and 323,381.85 is: 445,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,968.46 : 696,226.17 = 323,381.85 : x
  2. Step 2: Convert to fraction form
    504,968.46/696,226.17 = 323,381.85/x
  3. Step 3: Cross multiply
    504,968.46x = 696,226.17 × 323,381.85
  4. Step 4: Simplify right side
    504,968.46x = 225,146,907,572.10
  5. Step 5: Solve for x
    x = 225,146,907,572.10/504,968.46
  6. Step 6: Final answer
    x = 445,863.31

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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.