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Finding the Fourth Proportional to 202,396.90, 303,595.35 and 196,564.90

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Solution

The fourth proportional to 202,396.90, 303,595.35 and 196,564.90 is: 294,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,396.90 : 303,595.35 = 196,564.90 : x
  2. Step 2: Convert to fraction form
    202,396.90/303,595.35 = 196,564.90/x
  3. Step 3: Cross multiply
    202,396.90x = 303,595.35 × 196,564.90
  4. Step 4: Simplify right side
    202,396.90x = 59,676,189,613.22
  5. Step 5: Solve for x
    x = 59,676,189,613.22/202,396.90
  6. Step 6: Final answer
    x = 294,847.35

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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.