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Finding the Fourth Proportional to 377,884.92, 521,442.60 and 232,667.64

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Solution

The fourth proportional to 377,884.92, 521,442.60 and 232,667.64 is: 321,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,884.92 : 521,442.60 = 232,667.64 : x
  2. Step 2: Convert to fraction form
    377,884.92/521,442.60 = 232,667.64/x
  3. Step 3: Cross multiply
    377,884.92x = 521,442.60 × 232,667.64
  4. Step 4: Simplify right side
    377,884.92x = 121,322,819,137.46
  5. Step 5: Solve for x
    x = 121,322,819,137.46/377,884.92
  6. Step 6: Final answer
    x = 321,057.58

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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.