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Finding the Fourth Proportional to 202,406.90, 303,610.35 and 196,574.90

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Solution

The fourth proportional to 202,406.90, 303,610.35 and 196,574.90 is: 294,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,406.90 : 303,610.35 = 196,574.90 : x
  2. Step 2: Convert to fraction form
    202,406.90/303,610.35 = 196,574.90/x
  3. Step 3: Cross multiply
    202,406.90x = 303,610.35 × 196,574.90
  4. Step 4: Simplify right side
    202,406.90x = 59,682,174,190.22
  5. Step 5: Solve for x
    x = 59,682,174,190.22/202,406.90
  6. Step 6: Final answer
    x = 294,862.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.