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Finding the Fourth Proportional to 477,169.38, 715,735.39 and 161,626.29

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Solution

The fourth proportional to 477,169.38, 715,735.39 and 161,626.29 is: 242,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,169.38 : 715,735.39 = 161,626.29 : x
  2. Step 2: Convert to fraction form
    477,169.38/715,735.39 = 161,626.29/x
  3. Step 3: Cross multiply
    477,169.38x = 715,735.39 × 161,626.29
  4. Step 4: Simplify right side
    477,169.38x = 115,681,655,707.40
  5. Step 5: Solve for x
    x = 115,681,655,707.40/477,169.38
  6. Step 6: Final answer
    x = 242,433.11

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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.