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Finding the Fourth Proportional to 294,490.60, 441,735.90 and 211,546.60

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Solution

The fourth proportional to 294,490.60, 441,735.90 and 211,546.60 is: 317,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,490.60 : 441,735.90 = 211,546.60 : x
  2. Step 2: Convert to fraction form
    294,490.60/441,735.90 = 211,546.60/x
  3. Step 3: Cross multiply
    294,490.60x = 441,735.90 × 211,546.60
  4. Step 4: Simplify right side
    294,490.60x = 93,447,727,742.94
  5. Step 5: Solve for x
    x = 93,447,727,742.94/294,490.60
  6. Step 6: Final answer
    x = 317,319.90

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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.