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Finding the Fourth Proportional to 433,249.28, 649,806.72 and 167,134.40

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Solution

The fourth proportional to 433,249.28, 649,806.72 and 167,134.40 is: 250,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,249.28 : 649,806.72 = 167,134.40 : x
  2. Step 2: Convert to fraction form
    433,249.28/649,806.72 = 167,134.40/x
  3. Step 3: Cross multiply
    433,249.28x = 649,806.72 × 167,134.40
  4. Step 4: Simplify right side
    433,249.28x = 108,605,056,263.17
  5. Step 5: Solve for x
    x = 108,605,056,263.17/433,249.28
  6. Step 6: Final answer
    x = 250,675.68

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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.