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Finding the Fourth Proportional to 352,661.45, 487,004.81 and 245,524.37

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Solution

The fourth proportional to 352,661.45, 487,004.81 and 245,524.37 is: 339,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,661.45 : 487,004.81 = 245,524.37 : x
  2. Step 2: Convert to fraction form
    352,661.45/487,004.81 = 245,524.37/x
  3. Step 3: Cross multiply
    352,661.45x = 487,004.81 × 245,524.37
  4. Step 4: Simplify right side
    352,661.45x = 119,571,545,499.57
  5. Step 5: Solve for x
    x = 119,571,545,499.57/352,661.45
  6. Step 6: Final answer
    x = 339,054.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.