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Finding the Fourth Proportional to 433,790.34, 650,713.07 and 134,245.77

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Solution

The fourth proportional to 433,790.34, 650,713.07 and 134,245.77 is: 201,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,790.34 : 650,713.07 = 134,245.77 : x
  2. Step 2: Convert to fraction form
    433,790.34/650,713.07 = 134,245.77/x
  3. Step 3: Cross multiply
    433,790.34x = 650,713.07 × 134,245.77
  4. Step 4: Simplify right side
    433,790.34x = 87,355,477,466.83
  5. Step 5: Solve for x
    x = 87,355,477,466.83/433,790.34
  6. Step 6: Final answer
    x = 201,377.18

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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.