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Finding the Fourth Proportional to 363,299.99, 501,535.60 and 281,446.11

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Solution

The fourth proportional to 363,299.99, 501,535.60 and 281,446.11 is: 388,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,299.99 : 501,535.60 = 281,446.11 : x
  2. Step 2: Convert to fraction form
    363,299.99/501,535.60 = 281,446.11/x
  3. Step 3: Cross multiply
    363,299.99x = 501,535.60 × 281,446.11
  4. Step 4: Simplify right side
    363,299.99x = 141,155,242,942.90
  5. Step 5: Solve for x
    x = 141,155,242,942.90/363,299.99
  6. Step 6: Final answer
    x = 388,536.33

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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.