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Finding the Fourth Proportional to 656,634.30, 984,980.96 and 201,192.17

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Solution

The fourth proportional to 656,634.30, 984,980.96 and 201,192.17 is: 301,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,634.30 : 984,980.96 = 201,192.17 : x
  2. Step 2: Convert to fraction form
    656,634.30/984,980.96 = 201,192.17/x
  3. Step 3: Cross multiply
    656,634.30x = 984,980.96 × 201,192.17
  4. Step 4: Simplify right side
    656,634.30x = 198,170,459,716.52
  5. Step 5: Solve for x
    x = 198,170,459,716.52/656,634.30
  6. Step 6: Final answer
    x = 301,797.30

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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.