Home / 445,402.10-668,249.76-296,229.26

Finding the Fourth Proportional to 445,402.10, 668,249.76 and 296,229.26

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Solution

The fourth proportional to 445,402.10, 668,249.76 and 296,229.26 is: 444,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,402.10 : 668,249.76 = 296,229.26 : x
  2. Step 2: Convert to fraction form
    445,402.10/668,249.76 = 296,229.26/x
  3. Step 3: Cross multiply
    445,402.10x = 668,249.76 × 296,229.26
  4. Step 4: Simplify right side
    445,402.10x = 197,955,131,899.98
  5. Step 5: Solve for x
    x = 197,955,131,899.98/445,402.10
  6. Step 6: Final answer
    x = 444,441.40

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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.