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Finding the Fourth Proportional to 365,211.92, 503,959.60 and 204,044.56

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Solution

The fourth proportional to 365,211.92, 503,959.60 and 204,044.56 is: 281,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,211.92 : 503,959.60 = 204,044.56 : x
  2. Step 2: Convert to fraction form
    365,211.92/503,959.60 = 204,044.56/x
  3. Step 3: Cross multiply
    365,211.92x = 503,959.60 × 204,044.56
  4. Step 4: Simplify right side
    365,211.92x = 102,830,214,839.78
  5. Step 5: Solve for x
    x = 102,830,214,839.78/365,211.92
  6. Step 6: Final answer
    x = 281,563.14

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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.