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Finding the Fourth Proportional to 202,238.90, 303,358.35 and 194,462.90

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Solution

The fourth proportional to 202,238.90, 303,358.35 and 194,462.90 is: 291,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,238.90 : 303,358.35 = 194,462.90 : x
  2. Step 2: Convert to fraction form
    202,238.90/303,358.35 = 194,462.90/x
  3. Step 3: Cross multiply
    202,238.90x = 303,358.35 × 194,462.90
  4. Step 4: Simplify right side
    202,238.90x = 58,991,944,480.22
  5. Step 5: Solve for x
    x = 58,991,944,480.22/202,238.90
  6. Step 6: Final answer
    x = 291,694.35

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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.