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Finding the Fourth Proportional to 504,993.12, 696,890.11 and 323,704.92

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Solution

The fourth proportional to 504,993.12, 696,890.11 and 323,704.92 is: 446,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,993.12 : 696,890.11 = 323,704.92 : x
  2. Step 2: Convert to fraction form
    504,993.12/696,890.11 = 323,704.92/x
  3. Step 3: Cross multiply
    504,993.12x = 696,890.11 × 323,704.92
  4. Step 4: Simplify right side
    504,993.12x = 225,586,757,306.34
  5. Step 5: Solve for x
    x = 225,586,757,306.34/504,993.12
  6. Step 6: Final answer
    x = 446,712.54

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1.5x scale

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.