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Finding the Fourth Proportional to 361,300.60, 498,558.49 and 200,125.54

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Solution

The fourth proportional to 361,300.60, 498,558.49 and 200,125.54 is: 276,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,300.60 : 498,558.49 = 200,125.54 : x
  2. Step 2: Convert to fraction form
    361,300.60/498,558.49 = 200,125.54/x
  3. Step 3: Cross multiply
    361,300.60x = 498,558.49 × 200,125.54
  4. Step 4: Simplify right side
    361,300.60x = 99,774,284,790.20
  5. Step 5: Solve for x
    x = 99,774,284,790.20/361,300.60
  6. Step 6: Final answer
    x = 276,153.11

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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.