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Finding the Fourth Proportional to 361,209.92, 498,464.20 and 197,865.12

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Solution

The fourth proportional to 361,209.92, 498,464.20 and 197,865.12 is: 273,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,209.92 : 498,464.20 = 197,865.12 : x
  2. Step 2: Convert to fraction form
    361,209.92/498,464.20 = 197,865.12/x
  3. Step 3: Cross multiply
    361,209.92x = 498,464.20 × 197,865.12
  4. Step 4: Simplify right side
    361,209.92x = 98,628,678,748.70
  5. Step 5: Solve for x
    x = 98,628,678,748.70/361,209.92
  6. Step 6: Final answer
    x = 273,050.86

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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.