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Finding the Fourth Proportional to 436,853.44, 655,324.87 and 167,208.11

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Solution

The fourth proportional to 436,853.44, 655,324.87 and 167,208.11 is: 250,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,853.44 : 655,324.87 = 167,208.11 : x
  2. Step 2: Convert to fraction form
    436,853.44/655,324.87 = 167,208.11/x
  3. Step 3: Cross multiply
    436,853.44x = 655,324.87 × 167,208.11
  4. Step 4: Simplify right side
    436,853.44x = 109,575,632,711.45
  5. Step 5: Solve for x
    x = 109,575,632,711.45/436,853.44
  6. Step 6: Final answer
    x = 250,829.28

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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.