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Finding the Fourth Proportional to 477,168.38, 715,733.89 and 161,625.29

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Solution

The fourth proportional to 477,168.38, 715,733.89 and 161,625.29 is: 242,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,168.38 : 715,733.89 = 161,625.29 : x
  2. Step 2: Convert to fraction form
    477,168.38/715,733.89 = 161,625.29/x
  3. Step 3: Cross multiply
    477,168.38x = 715,733.89 × 161,625.29
  4. Step 4: Simplify right side
    477,168.38x = 115,680,693,551.35
  5. Step 5: Solve for x
    x = 115,680,693,551.35/477,168.38
  6. Step 6: Final answer
    x = 242,431.60

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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.