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Finding the Fourth Proportional to 203,496.40, 304,661.40 and 197,664.40

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Solution

The fourth proportional to 203,496.40, 304,661.40 and 197,664.40 is: 295,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,496.40 : 304,661.40 = 197,664.40 : x
  2. Step 2: Convert to fraction form
    203,496.40/304,661.40 = 197,664.40/x
  3. Step 3: Cross multiply
    203,496.40x = 304,661.40 × 197,664.40
  4. Step 4: Simplify right side
    203,496.40x = 60,220,712,834.16
  5. Step 5: Solve for x
    x = 60,220,712,834.16/203,496.40
  6. Step 6: Final answer
    x = 295,930.11

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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.