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Finding the Fourth Proportional to 351,265.64, 484,758.32 and 215,273.32

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Solution

The fourth proportional to 351,265.64, 484,758.32 and 215,273.32 is: 297,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,265.64 : 484,758.32 = 215,273.32 : x
  2. Step 2: Convert to fraction form
    351,265.64/484,758.32 = 215,273.32/x
  3. Step 3: Cross multiply
    351,265.64x = 484,758.32 × 215,273.32
  4. Step 4: Simplify right side
    351,265.64x = 104,355,530,520.23
  5. Step 5: Solve for x
    x = 104,355,530,520.23/351,265.64
  6. Step 6: Final answer
    x = 297,084.37

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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.