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Finding the Fourth Proportional to 504,717.86, 696,116.81 and 323,446.65

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Solution

The fourth proportional to 504,717.86, 696,116.81 and 323,446.65 is: 446,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,717.86 : 696,116.81 = 323,446.65 : x
  2. Step 2: Convert to fraction form
    504,717.86/696,116.81 = 323,446.65/x
  3. Step 3: Cross multiply
    504,717.86x = 696,116.81 × 323,446.65
  4. Step 4: Simplify right side
    504,717.86x = 225,156,648,401.37
  5. Step 5: Solve for x
    x = 225,156,648,401.37/504,717.86
  6. Step 6: Final answer
    x = 446,103.98

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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.