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Finding the Fourth Proportional to 365,156.70, 503,906.94 and 204,012.95

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Solution

The fourth proportional to 365,156.70, 503,906.94 and 204,012.95 is: 281,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,156.70 : 503,906.94 = 204,012.95 : x
  2. Step 2: Convert to fraction form
    365,156.70/503,906.94 = 204,012.95/x
  3. Step 3: Cross multiply
    365,156.70x = 503,906.94 × 204,012.95
  4. Step 4: Simplify right side
    365,156.70x = 102,803,541,669.82
  5. Step 5: Solve for x
    x = 102,803,541,669.82/365,156.70
  6. Step 6: Final answer
    x = 281,532.68

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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.