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Finding the Fourth Proportional to 361,470.60, 498,828.60 and 198,131.04

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Solution

The fourth proportional to 361,470.60, 498,828.60 and 198,131.04 is: 273,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,470.60 : 498,828.60 = 198,131.04 : x
  2. Step 2: Convert to fraction form
    361,470.60/498,828.60 = 198,131.04/x
  3. Step 3: Cross multiply
    361,470.60x = 498,828.60 × 198,131.04
  4. Step 4: Simplify right side
    361,470.60x = 98,833,429,299.74
  5. Step 5: Solve for x
    x = 98,833,429,299.74/361,470.60
  6. Step 6: Final answer
    x = 273,420.38

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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.