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Finding the Fourth Proportional to 297,866.10, 446,799.15 and 267,798.90

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Solution

The fourth proportional to 297,866.10, 446,799.15 and 267,798.90 is: 401,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,866.10 : 446,799.15 = 267,798.90 : x
  2. Step 2: Convert to fraction form
    297,866.10/446,799.15 = 267,798.90/x
  3. Step 3: Cross multiply
    297,866.10x = 446,799.15 × 267,798.90
  4. Step 4: Simplify right side
    297,866.10x = 119,652,320,890.94
  5. Step 5: Solve for x
    x = 119,652,320,890.94/297,866.10
  6. Step 6: Final answer
    x = 401,698.35

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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.