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Finding the Fourth Proportional to 629,947.60, 945,905.55 and 364,227.10

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Solution

The fourth proportional to 629,947.60, 945,905.55 and 364,227.10 is: 546,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,947.60 : 945,905.55 = 364,227.10 : x
  2. Step 2: Convert to fraction form
    629,947.60/945,905.55 = 364,227.10/x
  3. Step 3: Cross multiply
    629,947.60x = 945,905.55 × 364,227.10
  4. Step 4: Simplify right side
    629,947.60x = 344,524,435,350.41
  5. Step 5: Solve for x
    x = 344,524,435,350.41/629,947.60
  6. Step 6: Final answer
    x = 546,909.67

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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.