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Finding the Fourth Proportional to 363,522.12, 501,669.11 and 202,388.01

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Solution

The fourth proportional to 363,522.12, 501,669.11 and 202,388.01 is: 279,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,522.12 : 501,669.11 = 202,388.01 : x
  2. Step 2: Convert to fraction form
    363,522.12/501,669.11 = 202,388.01/x
  3. Step 3: Cross multiply
    363,522.12x = 501,669.11 × 202,388.01
  4. Step 4: Simplify right side
    363,522.12x = 101,531,812,851.37
  5. Step 5: Solve for x
    x = 101,531,812,851.37/363,522.12
  6. Step 6: Final answer
    x = 279,300.23

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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.