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Finding the Fourth Proportional to 664,635.96, 917,183.34 and 362,835

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Solution

The fourth proportional to 664,635.96, 917,183.34 and 362,835 is: 500,704.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,635.96 : 917,183.34 = 362,835 : x
  2. Step 2: Convert to fraction form
    664,635.96/917,183.34 = 362,835/x
  3. Step 3: Cross multiply
    664,635.96x = 917,183.34 × 362,835
  4. Step 4: Simplify right side
    664,635.96x = 332,786,217,168.90
  5. Step 5: Solve for x
    x = 332,786,217,168.90/664,635.96
  6. Step 6: Final answer
    x = 500,704.50

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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.