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Finding the Fourth Proportional to 533,605.37, 800,348.90 and 134,246.21

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Solution

The fourth proportional to 533,605.37, 800,348.90 and 134,246.21 is: 201,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,605.37 : 800,348.90 = 134,246.21 : x
  2. Step 2: Convert to fraction form
    533,605.37/800,348.90 = 134,246.21/x
  3. Step 3: Cross multiply
    533,605.37x = 800,348.90 × 134,246.21
  4. Step 4: Simplify right side
    533,605.37x = 107,443,801,829.69
  5. Step 5: Solve for x
    x = 107,443,801,829.69/533,605.37
  6. Step 6: Final answer
    x = 201,354.43

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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.