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Finding the Fourth Proportional to 363,300.99, 501,536.98 and 281,447.11

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Solution

The fourth proportional to 363,300.99, 501,536.98 and 281,447.11 is: 388,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,300.99 : 501,536.98 = 281,447.11 : x
  2. Step 2: Convert to fraction form
    363,300.99/501,536.98 = 281,447.11/x
  3. Step 3: Cross multiply
    363,300.99x = 501,536.98 × 281,447.11
  4. Step 4: Simplify right side
    363,300.99x = 141,156,133,579.13
  5. Step 5: Solve for x
    x = 141,156,133,579.13/363,300.99
  6. Step 6: Final answer
    x = 388,537.71

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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.