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Finding the Fourth Proportional to 354,922.16, 531,534.51 and 204,707.03

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Solution

The fourth proportional to 354,922.16, 531,534.51 and 204,707.03 is: 306,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,922.16 : 531,534.51 = 204,707.03 : x
  2. Step 2: Convert to fraction form
    354,922.16/531,534.51 = 204,707.03/x
  3. Step 3: Cross multiply
    354,922.16x = 531,534.51 × 204,707.03
  4. Step 4: Simplify right side
    354,922.16x = 108,808,848,226.93
  5. Step 5: Solve for x
    x = 108,808,848,226.93/354,922.16
  6. Step 6: Final answer
    x = 306,571.02

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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.