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Finding the Fourth Proportional to 328,857.70, 493,250.10 and 92,224.30

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Solution

The fourth proportional to 328,857.70, 493,250.10 and 92,224.30 is: 138,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,857.70 : 493,250.10 = 92,224.30 : x
  2. Step 2: Convert to fraction form
    328,857.70/493,250.10 = 92,224.30/x
  3. Step 3: Cross multiply
    328,857.70x = 493,250.10 × 92,224.30
  4. Step 4: Simplify right side
    328,857.70x = 45,489,645,197.43
  5. Step 5: Solve for x
    x = 45,489,645,197.43/328,857.70
  6. Step 6: Final answer
    x = 138,326.23

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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.