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Finding the Fourth Proportional to 403,162.01, 604,830.49 and 122,671.97

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Solution

The fourth proportional to 403,162.01, 604,830.49 and 122,671.97 is: 184,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,162.01 : 604,830.49 = 122,671.97 : x
  2. Step 2: Convert to fraction form
    403,162.01/604,830.49 = 122,671.97/x
  3. Step 3: Cross multiply
    403,162.01x = 604,830.49 × 122,671.97
  4. Step 4: Simplify right side
    403,162.01x = 74,195,747,351.68
  5. Step 5: Solve for x
    x = 74,195,747,351.68/403,162.01
  6. Step 6: Final answer
    x = 184,034.57

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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.