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Finding the Fourth Proportional to 403,362.69, 605,048.90 and 122,882.37

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Solution

The fourth proportional to 403,362.69, 605,048.90 and 122,882.37 is: 184,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,362.69 : 605,048.90 = 122,882.37 : x
  2. Step 2: Convert to fraction form
    403,362.69/605,048.90 = 122,882.37/x
  3. Step 3: Cross multiply
    403,362.69x = 605,048.90 × 122,882.37
  4. Step 4: Simplify right side
    403,362.69x = 74,349,842,183.48
  5. Step 5: Solve for x
    x = 74,349,842,183.48/403,362.69
  6. Step 6: Final answer
    x = 184,325.04

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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.