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Finding the Fourth Proportional to 394,744.37, 592,154.07 and 110,434.91

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Solution

The fourth proportional to 394,744.37, 592,154.07 and 110,434.91 is: 165,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,744.37 : 592,154.07 = 110,434.91 : x
  2. Step 2: Convert to fraction form
    394,744.37/592,154.07 = 110,434.91/x
  3. Step 3: Cross multiply
    394,744.37x = 592,154.07 × 110,434.91
  4. Step 4: Simplify right side
    394,744.37x = 65,394,478,465.81
  5. Step 5: Solve for x
    x = 65,394,478,465.81/394,744.37
  6. Step 6: Final answer
    x = 165,662.85

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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.