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Finding the Fourth Proportional to 447,783.96, 671,423.22 and 167,187

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Solution

The fourth proportional to 447,783.96, 671,423.22 and 167,187 is: 250,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,783.96 : 671,423.22 = 167,187 : x
  2. Step 2: Convert to fraction form
    447,783.96/671,423.22 = 167,187/x
  3. Step 3: Cross multiply
    447,783.96x = 671,423.22 × 167,187
  4. Step 4: Simplify right side
    447,783.96x = 112,253,233,882.14
  5. Step 5: Solve for x
    x = 112,253,233,882.14/447,783.96
  6. Step 6: Final answer
    x = 250,686.14

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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.