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Finding the Fourth Proportional to 361,611.51, 498,990.27 and 200,452.89

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Solution

The fourth proportional to 361,611.51, 498,990.27 and 200,452.89 is: 276,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,611.51 : 498,990.27 = 200,452.89 : x
  2. Step 2: Convert to fraction form
    361,611.51/498,990.27 = 200,452.89/x
  3. Step 3: Cross multiply
    361,611.51x = 498,990.27 × 200,452.89
  4. Step 4: Simplify right side
    361,611.51x = 100,024,041,703.38
  5. Step 5: Solve for x
    x = 100,024,041,703.38/361,611.51
  6. Step 6: Final answer
    x = 276,606.35

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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.