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Finding the Fourth Proportional to 291,911.69, 402,850.09 and 184,442.51

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Solution

The fourth proportional to 291,911.69, 402,850.09 and 184,442.51 is: 254,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,911.69 : 402,850.09 = 184,442.51 : x
  2. Step 2: Convert to fraction form
    291,911.69/402,850.09 = 184,442.51/x
  3. Step 3: Cross multiply
    291,911.69x = 402,850.09 × 184,442.51
  4. Step 4: Simplify right side
    291,911.69x = 74,302,681,753.33
  5. Step 5: Solve for x
    x = 74,302,681,753.33/291,911.69
  6. Step 6: Final answer
    x = 254,538.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.