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Finding the Fourth Proportional to 363,747.85, 501,798.17 and 282,620.14

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Solution

The fourth proportional to 363,747.85, 501,798.17 and 282,620.14 is: 389,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,747.85 : 501,798.17 = 282,620.14 : x
  2. Step 2: Convert to fraction form
    363,747.85/501,798.17 = 282,620.14/x
  3. Step 3: Cross multiply
    363,747.85x = 501,798.17 × 282,620.14
  4. Step 4: Simplify right side
    363,747.85x = 141,818,268,509.20
  5. Step 5: Solve for x
    x = 141,818,268,509.20/363,747.85
  6. Step 6: Final answer
    x = 389,880.71

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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.