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Finding the Fourth Proportional to 365,016.78, 503,717.85 and 203,874.12

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Solution

The fourth proportional to 365,016.78, 503,717.85 and 203,874.12 is: 281,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,016.78 : 503,717.85 = 203,874.12 : x
  2. Step 2: Convert to fraction form
    365,016.78/503,717.85 = 203,874.12/x
  3. Step 3: Cross multiply
    365,016.78x = 503,717.85 × 203,874.12
  4. Step 4: Simplify right side
    365,016.78x = 102,695,033,397.04
  5. Step 5: Solve for x
    x = 102,695,033,397.04/365,016.78
  6. Step 6: Final answer
    x = 281,343.32

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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.