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Finding the Fourth Proportional to 498,324.60, 746,976.60 and 245,215.80

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Solution

The fourth proportional to 498,324.60, 746,976.60 and 245,215.80 is: 367,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,324.60 : 746,976.60 = 245,215.80 : x
  2. Step 2: Convert to fraction form
    498,324.60/746,976.60 = 245,215.80/x
  3. Step 3: Cross multiply
    498,324.60x = 746,976.60 × 245,215.80
  4. Step 4: Simplify right side
    498,324.60x = 183,170,464,550.28
  5. Step 5: Solve for x
    x = 183,170,464,550.28/498,324.60
  6. Step 6: Final answer
    x = 367,572.59

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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.