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Finding the Fourth Proportional to 289,235.40, 433,415.70 and 244,620.60

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Solution

The fourth proportional to 289,235.40, 433,415.70 and 244,620.60 is: 366,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,235.40 : 433,415.70 = 244,620.60 : x
  2. Step 2: Convert to fraction form
    289,235.40/433,415.70 = 244,620.60/x
  3. Step 3: Cross multiply
    289,235.40x = 433,415.70 × 244,620.60
  4. Step 4: Simplify right side
    289,235.40x = 106,022,408,583.42
  5. Step 5: Solve for x
    x = 106,022,408,583.42/289,235.40
  6. Step 6: Final answer
    x = 366,560.97

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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.