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Finding the Fourth Proportional to 363,630.85, 501,845.45 and 202,485.85

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Solution

The fourth proportional to 363,630.85, 501,845.45 and 202,485.85 is: 279,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,630.85 : 501,845.45 = 202,485.85 : x
  2. Step 2: Convert to fraction form
    363,630.85/501,845.45 = 202,485.85/x
  3. Step 3: Cross multiply
    363,630.85x = 501,845.45 × 202,485.85
  4. Step 4: Simplify right side
    363,630.85x = 101,616,602,511.88
  5. Step 5: Solve for x
    x = 101,616,602,511.88/363,630.85
  6. Step 6: Final answer
    x = 279,449.89

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1.5x scale

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.