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Finding the Fourth Proportional to 361,359.63, 498,659.49 and 198,015.17

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Solution

The fourth proportional to 361,359.63, 498,659.49 and 198,015.17 is: 273,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,359.63 : 498,659.49 = 198,015.17 : x
  2. Step 2: Convert to fraction form
    361,359.63/498,659.49 = 198,015.17/x
  3. Step 3: Cross multiply
    361,359.63x = 498,659.49 × 198,015.17
  4. Step 4: Simplify right side
    361,359.63x = 98,742,141,191.17
  5. Step 5: Solve for x
    x = 98,742,141,191.17/361,359.63
  6. Step 6: Final answer
    x = 273,251.72

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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.