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Finding the Fourth Proportional to 603,786.76, 905,624.60 and 204,381.88

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Solution

The fourth proportional to 603,786.76, 905,624.60 and 204,381.88 is: 306,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,786.76 : 905,624.60 = 204,381.88 : x
  2. Step 2: Convert to fraction form
    603,786.76/905,624.60 = 204,381.88/x
  3. Step 3: Cross multiply
    603,786.76x = 905,624.60 × 204,381.88
  4. Step 4: Simplify right side
    603,786.76x = 185,093,258,322.25
  5. Step 5: Solve for x
    x = 185,093,258,322.25/603,786.76
  6. Step 6: Final answer
    x = 306,554.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.