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Finding the Fourth Proportional to 361,173.48, 498,665.70 and 225,260.52

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Solution

The fourth proportional to 361,173.48, 498,665.70 and 225,260.52 is: 311,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,173.48 : 498,665.70 = 225,260.52 : x
  2. Step 2: Convert to fraction form
    361,173.48/498,665.70 = 225,260.52/x
  3. Step 3: Cross multiply
    361,173.48x = 498,665.70 × 225,260.52
  4. Step 4: Simplify right side
    361,173.48x = 112,329,694,888.16
  5. Step 5: Solve for x
    x = 112,329,694,888.16/361,173.48
  6. Step 6: Final answer
    x = 311,013.13

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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.