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Finding the Fourth Proportional to 202,898.40, 303,764.40 and 197,066.40

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Solution

The fourth proportional to 202,898.40, 303,764.40 and 197,066.40 is: 295,033.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,898.40 : 303,764.40 = 197,066.40 : x
  2. Step 2: Convert to fraction form
    202,898.40/303,764.40 = 197,066.40/x
  3. Step 3: Cross multiply
    202,898.40x = 303,764.40 × 197,066.40
  4. Step 4: Simplify right side
    202,898.40x = 59,861,756,756.16
  5. Step 5: Solve for x
    x = 59,861,756,756.16/202,898.40
  6. Step 6: Final answer
    x = 295,033.16

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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.