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Finding the Fourth Proportional to 297,025.80, 445,538.70 and 266,958.60

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Solution

The fourth proportional to 297,025.80, 445,538.70 and 266,958.60 is: 400,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,025.80 : 445,538.70 = 266,958.60 : x
  2. Step 2: Convert to fraction form
    297,025.80/445,538.70 = 266,958.60/x
  3. Step 3: Cross multiply
    297,025.80x = 445,538.70 × 266,958.60
  4. Step 4: Simplify right side
    297,025.80x = 118,940,387,597.82
  5. Step 5: Solve for x
    x = 118,940,387,597.82/297,025.80
  6. Step 6: Final answer
    x = 400,437.90

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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.