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Finding the Fourth Proportional to 363,455.88, 501,583.92 and 202,300.72

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Solution

The fourth proportional to 363,455.88, 501,583.92 and 202,300.72 is: 279,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,455.88 : 501,583.92 = 202,300.72 : x
  2. Step 2: Convert to fraction form
    363,455.88/501,583.92 = 202,300.72/x
  3. Step 3: Cross multiply
    363,455.88x = 501,583.92 × 202,300.72
  4. Step 4: Simplify right side
    363,455.88x = 101,470,788,156.42
  5. Step 5: Solve for x
    x = 101,470,788,156.42/363,455.88
  6. Step 6: Final answer
    x = 279,183.23

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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.