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Finding the Fourth Proportional to 376,920.36, 565,463.91 and 124,190.64

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Solution

The fourth proportional to 376,920.36, 565,463.91 and 124,190.64 is: 186,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,920.36 : 565,463.91 = 124,190.64 : x
  2. Step 2: Convert to fraction form
    376,920.36/565,463.91 = 124,190.64/x
  3. Step 3: Cross multiply
    376,920.36x = 565,463.91 × 124,190.64
  4. Step 4: Simplify right side
    376,920.36x = 70,225,324,879.80
  5. Step 5: Solve for x
    x = 70,225,324,879.80/376,920.36
  6. Step 6: Final answer
    x = 186,313.43

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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.