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Finding the Fourth Proportional to 433,843, 650,950.72 and 167,790.20

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Solution

The fourth proportional to 433,843, 650,950.72 and 167,790.20 is: 251,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,843 : 650,950.72 = 167,790.20 : x
  2. Step 2: Convert to fraction form
    433,843/650,950.72 = 167,790.20/x
  3. Step 3: Cross multiply
    433,843x = 650,950.72 × 167,790.20
  4. Step 4: Simplify right side
    433,843x = 109,223,151,498.94
  5. Step 5: Solve for x
    x = 109,223,151,498.94/433,843
  6. Step 6: Final answer
    x = 251,757.32

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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.