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Finding the Fourth Proportional to 297,751.32, 446,625.90 and 129,249.65

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Solution

The fourth proportional to 297,751.32, 446,625.90 and 129,249.65 is: 193,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,751.32 : 446,625.90 = 129,249.65 : x
  2. Step 2: Convert to fraction form
    297,751.32/446,625.90 = 129,249.65/x
  3. Step 3: Cross multiply
    297,751.32x = 446,625.90 × 129,249.65
  4. Step 4: Simplify right side
    297,751.32x = 57,726,242,372.50
  5. Step 5: Solve for x
    x = 57,726,242,372.50/297,751.32
  6. Step 6: Final answer
    x = 193,874.01

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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.