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Finding the Fourth Proportional to 361,610.72, 498,976.68 and 200,464.32

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Solution

The fourth proportional to 361,610.72, 498,976.68 and 200,464.32 is: 276,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,610.72 : 498,976.68 = 200,464.32 : x
  2. Step 2: Convert to fraction form
    361,610.72/498,976.68 = 200,464.32/x
  3. Step 3: Cross multiply
    361,610.72x = 498,976.68 × 200,464.32
  4. Step 4: Simplify right side
    361,610.72x = 100,027,020,852.06
  5. Step 5: Solve for x
    x = 100,027,020,852.06/361,610.72
  6. Step 6: Final answer
    x = 276,615.20

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1.5x scale

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.