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Finding the Fourth Proportional to 297,631.80, 446,447.70 and 267,564.60

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Solution

The fourth proportional to 297,631.80, 446,447.70 and 267,564.60 is: 401,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,631.80 : 446,447.70 = 267,564.60 : x
  2. Step 2: Convert to fraction form
    297,631.80/446,447.70 = 267,564.60/x
  3. Step 3: Cross multiply
    297,631.80x = 446,447.70 × 267,564.60
  4. Step 4: Simplify right side
    297,631.80x = 119,453,600,271.42
  5. Step 5: Solve for x
    x = 119,453,600,271.42/297,631.80
  6. Step 6: Final answer
    x = 401,346.90

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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.