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Finding the Fourth Proportional to 533,367.40, 799,989.49 and 133,977.76

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Solution

The fourth proportional to 533,367.40, 799,989.49 and 133,977.76 is: 200,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,367.40 : 799,989.49 = 133,977.76 : x
  2. Step 2: Convert to fraction form
    533,367.40/799,989.49 = 133,977.76/x
  3. Step 3: Cross multiply
    533,367.40x = 799,989.49 × 133,977.76
  4. Step 4: Simplify right side
    533,367.40x = 107,180,799,893.74
  5. Step 5: Solve for x
    x = 107,180,799,893.74/533,367.40
  6. Step 6: Final answer
    x = 200,951.16

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Double scale
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Similar ratio
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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.