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Finding the Fourth Proportional to 403,331.40, 604,997.10 and 166,843.80

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Solution

The fourth proportional to 403,331.40, 604,997.10 and 166,843.80 is: 250,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,331.40 : 604,997.10 = 166,843.80 : x
  2. Step 2: Convert to fraction form
    403,331.40/604,997.10 = 166,843.80/x
  3. Step 3: Cross multiply
    403,331.40x = 604,997.10 × 166,843.80
  4. Step 4: Simplify right side
    403,331.40x = 100,940,015,152.98
  5. Step 5: Solve for x
    x = 100,940,015,152.98/403,331.40
  6. Step 6: Final answer
    x = 250,265.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.