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Finding the Fourth Proportional to 403,273.69, 604,910.53 and 122,790.94

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Solution

The fourth proportional to 403,273.69, 604,910.53 and 122,790.94 is: 184,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,273.69 : 604,910.53 = 122,790.94 : x
  2. Step 2: Convert to fraction form
    403,273.69/604,910.53 = 122,790.94/x
  3. Step 3: Cross multiply
    403,273.69x = 604,910.53 × 122,790.94
  4. Step 4: Simplify right side
    403,273.69x = 74,277,531,235.81
  5. Step 5: Solve for x
    x = 74,277,531,235.81/403,273.69
  6. Step 6: Final answer
    x = 184,186.41

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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.