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Finding the Fourth Proportional to 447,785.96, 671,426.22 and 167,189

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Solution

The fourth proportional to 447,785.96, 671,426.22 and 167,189 is: 250,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,785.96 : 671,426.22 = 167,189 : x
  2. Step 2: Convert to fraction form
    447,785.96/671,426.22 = 167,189/x
  3. Step 3: Cross multiply
    447,785.96x = 671,426.22 × 167,189
  4. Step 4: Simplify right side
    447,785.96x = 112,255,078,295.58
  5. Step 5: Solve for x
    x = 112,255,078,295.58/447,785.96
  6. Step 6: Final answer
    x = 250,689.14

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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.