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Finding the Fourth Proportional to 361,288.86, 498,606.75 and 200,158.80

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Solution

The fourth proportional to 361,288.86, 498,606.75 and 200,158.80 is: 276,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,288.86 : 498,606.75 = 200,158.80 : x
  2. Step 2: Convert to fraction form
    361,288.86/498,606.75 = 200,158.80/x
  3. Step 3: Cross multiply
    361,288.86x = 498,606.75 × 200,158.80
  4. Step 4: Simplify right side
    361,288.86x = 99,800,528,751.90
  5. Step 5: Solve for x
    x = 99,800,528,751.90/361,288.86
  6. Step 6: Final answer
    x = 276,234.72

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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.