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Finding the Fourth Proportional to 634,462.65, 951,313.80 and 201,993.21

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Solution

The fourth proportional to 634,462.65, 951,313.80 and 201,993.21 is: 302,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,462.65 : 951,313.80 = 201,993.21 : x
  2. Step 2: Convert to fraction form
    634,462.65/951,313.80 = 201,993.21/x
  3. Step 3: Cross multiply
    634,462.65x = 951,313.80 × 201,993.21
  4. Step 4: Simplify right side
    634,462.65x = 192,158,928,179.30
  5. Step 5: Solve for x
    x = 192,158,928,179.30/634,462.65
  6. Step 6: Final answer
    x = 302,868.78

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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.