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Finding the Fourth Proportional to 361,805.40, 499,294.26 and 200,651.40

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Solution

The fourth proportional to 361,805.40, 499,294.26 and 200,651.40 is: 276,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,805.40 : 499,294.26 = 200,651.40 : x
  2. Step 2: Convert to fraction form
    361,805.40/499,294.26 = 200,651.40/x
  3. Step 3: Cross multiply
    361,805.40x = 499,294.26 × 200,651.40
  4. Step 4: Simplify right side
    361,805.40x = 100,184,092,280.96
  5. Step 5: Solve for x
    x = 100,184,092,280.96/361,805.40
  6. Step 6: Final answer
    x = 276,900.49

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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.