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Finding the Fourth Proportional to 363,399.05, 501,485.71 and 202,254.14

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Solution

The fourth proportional to 363,399.05, 501,485.71 and 202,254.14 is: 279,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,399.05 : 501,485.71 = 202,254.14 : x
  2. Step 2: Convert to fraction form
    363,399.05/501,485.71 = 202,254.14/x
  3. Step 3: Cross multiply
    363,399.05x = 501,485.71 × 202,254.14
  4. Step 4: Simplify right side
    363,399.05x = 101,427,560,998.34
  5. Step 5: Solve for x
    x = 101,427,560,998.34/363,399.05
  6. Step 6: Final answer
    x = 279,107.94

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1.5x scale

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.