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Finding the Fourth Proportional to 361,474.65, 498,827.34 and 200,328.29

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Solution

The fourth proportional to 361,474.65, 498,827.34 and 200,328.29 is: 276,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,474.65 : 498,827.34 = 200,328.29 : x
  2. Step 2: Convert to fraction form
    361,474.65/498,827.34 = 200,328.29/x
  3. Step 3: Cross multiply
    361,474.65x = 498,827.34 × 200,328.29
  4. Step 4: Simplify right side
    361,474.65x = 99,929,227,403.91
  5. Step 5: Solve for x
    x = 99,929,227,403.91/361,474.65
  6. Step 6: Final answer
    x = 276,448.78

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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.