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Finding the Fourth Proportional to 433,520.70, 650,329.65 and 133,998.90

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Solution

The fourth proportional to 433,520.70, 650,329.65 and 133,998.90 is: 201,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,520.70 : 650,329.65 = 133,998.90 : x
  2. Step 2: Convert to fraction form
    433,520.70/650,329.65 = 133,998.90/x
  3. Step 3: Cross multiply
    433,520.70x = 650,329.65 × 133,998.90
  4. Step 4: Simplify right side
    433,520.70x = 87,143,457,737.39
  5. Step 5: Solve for x
    x = 87,143,457,737.39/433,520.70
  6. Step 6: Final answer
    x = 201,013.37

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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.