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Finding the Fourth Proportional to 361,157.12, 498,358.92 and 200,007.92

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Solution

The fourth proportional to 361,157.12, 498,358.92 and 200,007.92 is: 275,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,157.12 : 498,358.92 = 200,007.92 : x
  2. Step 2: Convert to fraction form
    361,157.12/498,358.92 = 200,007.92/x
  3. Step 3: Cross multiply
    361,157.12x = 498,358.92 × 200,007.92
  4. Step 4: Simplify right side
    361,157.12x = 99,675,731,002.65
  5. Step 5: Solve for x
    x = 99,675,731,002.65/361,157.12
  6. Step 6: Final answer
    x = 275,989.94

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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.