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Finding the Fourth Proportional to 408,323.43, 563,916.74 and 363,796.11

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Solution

The fourth proportional to 408,323.43, 563,916.74 and 363,796.11 is: 502,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,323.43 : 563,916.74 = 363,796.11 : x
  2. Step 2: Convert to fraction form
    408,323.43/563,916.74 = 363,796.11/x
  3. Step 3: Cross multiply
    408,323.43x = 563,916.74 × 363,796.11
  4. Step 4: Simplify right side
    408,323.43x = 205,150,714,556.90
  5. Step 5: Solve for x
    x = 205,150,714,556.90/408,323.43
  6. Step 6: Final answer
    x = 502,422.10

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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.