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Finding the Fourth Proportional to 361,178.48, 498,672.60 and 225,265.52

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Solution

The fourth proportional to 361,178.48, 498,672.60 and 225,265.52 is: 311,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,178.48 : 498,672.60 = 225,265.52 : x
  2. Step 2: Convert to fraction form
    361,178.48/498,672.60 = 225,265.52/x
  3. Step 3: Cross multiply
    361,178.48x = 498,672.60 × 225,265.52
  4. Step 4: Simplify right side
    361,178.48x = 112,333,742,548.75
  5. Step 5: Solve for x
    x = 112,333,742,548.75/361,178.48
  6. Step 6: Final answer
    x = 311,020.03

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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.