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Finding the Fourth Proportional to 403,933.92, 605,900.88 and 123,448.80

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Solution

The fourth proportional to 403,933.92, 605,900.88 and 123,448.80 is: 185,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,933.92 : 605,900.88 = 123,448.80 : x
  2. Step 2: Convert to fraction form
    403,933.92/605,900.88 = 123,448.80/x
  3. Step 3: Cross multiply
    403,933.92x = 605,900.88 × 123,448.80
  4. Step 4: Simplify right side
    403,933.92x = 74,797,736,554.94
  5. Step 5: Solve for x
    x = 74,797,736,554.94/403,933.92
  6. Step 6: Final answer
    x = 185,173.20

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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.