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Finding the Fourth Proportional to 403,201.62, 604,892.61 and 122,740.74

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Solution

The fourth proportional to 403,201.62, 604,892.61 and 122,740.74 is: 184,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,201.62 : 604,892.61 = 122,740.74 : x
  2. Step 2: Convert to fraction form
    403,201.62/604,892.61 = 122,740.74/x
  3. Step 3: Cross multiply
    403,201.62x = 604,892.61 × 122,740.74
  4. Step 4: Simplify right side
    403,201.62x = 74,244,966,571.93
  5. Step 5: Solve for x
    x = 74,244,966,571.93/403,201.62
  6. Step 6: Final answer
    x = 184,138.56

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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.